| Abelmoschus esculentus (L.) Moench | 1307 images |
| Abelmoschus moschatus Medik. | 195 images |
| Abies concolor (Gordon & Glend.) Lindl. ex Hildebr. | 638 images |
| Abies durangensis Martínez | 5 images |
| Abies guatemalensis Rehder | 3 images |
| Abies religiosa (Kunth) Schltdl. & Cham. | 4 images |
| Abildgaardia ovata (Burm.f.) Kral | 9 images |
| Abronia angustifolia Greene | 7 images |
| Abronia fragrans Nutt. ex Hook. | 78 images |
| Abronia gracilis Benth. | 2 images |
| Abronia maritima Nutt. ex S.Watson | 6 images |
| Abronia umbellata Lam. | 152 images |
| Abronia villosa S.Watson | 1 images |
| Abuta panamensis (Standl.) Krukoff & Barneby | 26 images |
| Abutilon abutiloides (Jacq.) Garcke ex Hochr. | 17 images |
| Abutilon hypoleucum A.Gray | 1 images |
| Abutilon incanum (Link) Sweet | 18 images |
| Abutilon palmeri A.Gray | 15 images |
| Abutilon percaudatum Hochr. | 4 images |
| Abutilon theophrasti Medik. | 2905 images |
| Abutilon trisulcatum (Jacq.) Urb. | 5 images |
| Abutilon viscosum (L.) Dorr | 1 images |
| Acacia baileyana F.Muell. | 659 images |
| Acacia salicina Lindl. | 199 images |
| Acaciella angustissima (Mill.) Britton & Rose | 68 images |
| Acaciella villosa (Sw.) Britton & Rose | 40 images |
| Acaena elongata L. | 13 images |
| Acalypha alopecuroidea Jacq. | 168 images |
| Acalypha arvensis Poepp. | 47 images |
| Acalypha californica Benth. | 27 images |
| Acalypha costaricensis (Kuntze) Knobl. ex Pax & K.Hoffm. | 27 images |
| Acalypha diversifolia Jacq. | 50 images |
| Acalypha indica L. | 293 images |
| Acalypha leptopoda Müll.Arg. | 4 images |
| Acalypha macrostachya Jacq. | 116 images |
| Acalypha monostachya Cav. | 25 images |
| Acalypha mortoniana Lundell | 5 images |
| Acalypha phleoides Cav. | 19 images |
| Acalypha poiretii Spreng. | 9 images |
| Acalypha polystachya Jacq. | 22 images |
| Acalypha radians Torr. | 5 images |
| Acalypha schiedeana Schltdl. | 12 images |
| Acalypha setosa A.Rich. | 32 images |
| Acalypha villosa Jacq. | 11 images |
| Acalypha wilkesiana Müll.Arg. | 2285 images |
| Acanthocereus chiapensis Bravo | 2 images |
| Acanthocereus cuixmalensis (Sánchez-Mej.) Lodé | 2 images |
| Acanthocereus fosterianus (Cutak) Lodé | 1 images |
| Acanthocereus maculatus (Weing.) F.M.Knuth | 1 images |
| Acanthocereus oaxacensis (Britton & Rose) Lodé | 2 images |
| Acanthocereus tetragonus (L.) Hummelinck | 2005 images |
| Acanthus mollis L. | 12943 images |
| Acer glabrum Torr. | 148 images |
| Acer grandidentatum Nutt. | 71 images |
| Acer negundo L. | 16399 images |
| Acer saccharum Marshall | 1757 images |
| Acharagma aguirreanum (Glass & R.A.Foster) Glass | 7 images |
| Acharagma roseanum (Boed.) E.F.Anderson | 17 images |
| Achillea millefolium L. | 25189 images |
| Achimenes admirabilis Wiehler | 1 images |
| Achimenes flava C.V.Morton | 1 images |
| Achimenes grandiflora (Schiede) DC. | 97 images |
| Achimenes heterophylla (Mart.) DC. | 12 images |
| Achimenes longiflora DC. | 21 images |
| Achyrachaena mollis Schauer | 88 images |
| Achyranthes aspera L. | 898 images |
| Acianthera pubescens (Lindl.) Pridgeon & M.W.Chase | 23 images |
| Aciotis indecora Triana | 11 images |
| Acisanthera quadrata Juss. ex Poir. | 1 images |
| Acleisanthes longiflora A.Gray | 7 images |
| Acleisanthes obtusa (Choisy) Standl. | 4 images |
| Acmella brachyglossa Cass. | 1 images |
| Acmella radicans (Jacq.) R.K.Jansen | 18 images |
| Acmispon americanus (Nutt.) Rydb. | 26 images |
| Acmispon decumbens (Benth.) Govaerts | 3 images |
| Acmispon dendroideus (Greene) Brouillet | 12 images |
| Acmispon glaber (Vogel) Brouillet | 34 images |
| Acmispon prostratus (Nutt.) Brouillet | 2 images |
| Acmispon rigidus (Benth.) Brouillet | 1 images |
| Acoelorraphe wrightii (Griseb. & H.Wendl.) H.Wendl. ex Becc. | 40 images |
| Aconitum columbianum Nutt. | 171 images |
| Acourtia microcephala DC. | 35 images |
| Acourtia thurberi (A.Gray) Reveal & R.M.King | 8 images |
| Acourtia wrightii (A.Gray) Reveal & R.M.King | 1 images |
| Acroceras zizanioides (Kunth) Dandy | 16 images |
| Acrocomia aculeata (Jacq.) Lodd. ex R.Keith | 39 images |
| Acrostichum aureum L. | 274 images |
| Acrostichum danaeifolium Langsd. & Fisch. | 9 images |
| Actinostachys pennula (Sw.) Hook. | 45 images |
| Adelobotrys adscendens Triana | 143 images |
| Adenocalymma inundatum Mart. ex DC. | 12 images |
| Adenophyllum porophylloides (A.Gray) Strother | 14 images |
| Adenophyllum porophyllum (Cav.) Hemsl. | 14 images |
| Adenopodia patens (Hook. & Arn.) J.R.Dixon ex Brenan | 10 images |
| Adenostoma fasciculatum Hook. & Arn. | 16 images |
| Adenostoma sparsifolium Torr. | 74 images |
| Adiantum amplum C.Presl | 2 images |
| Adiantum capillus-veneris L. | 3110 images |
| Adiantum concinnum Humb. & Bonpl. ex Willd. | 26 images |
| Adiantum jordanii Müll.Hal. | 162 images |
| Adiantum latifolium Lam. | 84 images |
| Adiantum macrophyllum Sw. | 24 images |
| Adiantum obliquum Willd. | 4 images |
| Adiantum petiolatum Desv. | 18 images |
| Adiantum poiretii Wikstr. | 13 images |
| Adiantum pulverulentum L. | 18 images |
| Adiantum raddianum C.Presl | 169 images |
| Adiantum seemannii Hook. | 4 images |
| Adiantum tenerum Sw. | 21 images |
| Adiantum terminatum Kunze ex Miq. | 51 images |
| Adiantum tetraphyllum Humb. & Bonpl. ex Willd. | 20 images |
| Adiantum trapeziforme L. | 68 images |
| Adiantum villosum L. | 4 images |
| Aechmea bracteata (Sw.) Griseb. | 51 images |
| Aechmea bromeliifolia (Rudge) Baker ex Benth. & Hook.f. | 39 images |
| Aechmea lueddemanniana (K.Koch) Mez | 37 images |
| Aechmea magdalenae (André) André ex Baker | 38 images |
| Aechmea mcvaughii L.B.Sm. | 4 images |
| Aechmea mexicana Baker | 67 images |
| Aechmea nudicaulis (L.) Griseb. | 158 images |
| Aechmea tillandsioides (Mart. ex Schult. & Schult.f.) Baker | 15 images |
| Aegilops cylindrica Host | 59 images |
| Aegiphila costaricensis Moldenke | 36 images |
| Aegiphila deppeana Steud. | 5 images |
| Aegiphila falcata Donn.Sm. | 53 images |
| Aegiphila panamensis Moldenke | 18 images |
| Aeschynomene americana L. | 153 images |
| Aeschynomene ciliata Vogel | 3 images |
| Aeschynomene fluitans Peter | 2 images |
| Aeschynomene indica L. | 46 images |
| Aeschynomene rudis Benth. | 16 images |
| Aeschynomene scabra G.Don | 7 images |
| Aeschynomene sensitiva Sw. | 45 images |
| Agalinis calycina Pennell | 3 images |
| Agalinis maritima (Raf.) Raf. | 6 images |
| Agalinis purpurea (L.) Pennell | 165 images |
| Agapanthus africanus (L.) Hoffmanns. | 3427 images |
| Agapanthus praecox Willd. | 8368 images |
| Agastache breviflora (A.Gray) Epling | 2 images |
| Agastache mexicana (Kunth) Lint & Epling | 254 images |
| Agave × leopoldii W.Watson | 1 images |
| Agave × pumila De Smet ex Baker | 1 images |
| Agave albopilosa I.Cabral, Villarreal & A.E.Estrada | 5 images |
| Agave americana L. | 8096 images |
| Agave amica (Medik.) Thiede & Govaerts | 277 images |
| Agave angustifolia Haw. | 32 images |
| Agave applanata K.Koch | 1 images |
| Agave asperrima Jacobi | 144 images |
| Agave atrovirens Karw. ex Salm-Dyck | 1 images |
| Agave attenuata Salm-Dyck | 3584 images |
| Agave avellanidens Trel. | 1 images |
| Agave bovicornuta Gentry | 1 images |
| Agave bracteosa S.Watson ex Engelm. | 48 images |
| Agave cerulata Trel. | 1 images |
| Agave chazaroi A.Vázquez & O.M.Valencia | 1 images |
| Agave chiapensis Jacobi | 8 images |
| Agave coetocapnia (M.Roem.) Govaerts & Thiede | 2 images |
| Agave colorata Gentry | 4 images |
| Agave cupreata Trel. & A.Berger | 3 images |
| Agave dealbata É.Morren ex K.Koch | 5 images |
| Agave demeesteriana Jacobi | 338 images |
| Agave deserti Engelm. | 172 images |
| Agave difformis A.Berger | 4 images |
| Agave durangensis Gentry | 10 images |
| Agave ellemeetiana Jacobi | 2 images |
| Agave filifera Salm-Dyck | 180 images |
| Agave flexispina Trel. | 5 images |
| Agave fourcroydes Lem. | 47 images |
| Agave funkiana K.Koch & C.D.Bouché | 1 images |
| Agave geminiflora (Tagl.) Ker Gawl. | 10 images |
| Agave ghiesbreghtii Verschaff. | 3 images |
| Agave gracillima A.Berger | 1 images |
| Agave guiengola Gentry | 135 images |
| Agave guttata Jacobi & C.D.Bouché | 4 images |
| Agave gypsophila Gentry | 3 images |
| Agave havardiana Trel. | 68 images |
| Agave horrida Lem. ex Jacobi | 5 images |
| Agave howardii (Verh.-Will.) Thiede & Eggli | 4 images |
| Agave impressa Gentry | 4 images |
| Agave inaequidens K.Koch | 8 images |
| Agave isthmensis A.García-Mend. & F.Palma | 8 images |
| Agave karwinskii Zucc. | 4 images |
| Agave kerchovei Lem. | 3 images |
| Agave lechuguilla Torr. | 94 images |
| Agave lophantha Schiede | 220 images |
| Agave macroacantha Zucc. | 55 images |
| Agave maculata Regel | 46 images |
| Agave mapisaga Trel. | 1 images |
| Agave marmorata Roezl | 4 images |
| Agave mitis Mart. | 20 images |
| Agave montana Villarreal | 7 images |
| Agave multifilifera Gentry | 2 images |
| Agave murpheyi Gibson | 2 images |
| Agave nickelsiae Rol.-Goss. | 1 images |
| Agave nizandensis Cutak | 3 images |
| Agave obscura Schiede ex Schltdl. | 8 images |
| Agave ocahui Gentry | 11 images |
| Agave oteroi G.D.Starr & T.J.Davis | 1 images |
| Agave ovatifolia G.D.Starr & Villarreal | 19 images |
| Agave palmeri Engelm. | 29 images |
| Agave parrasana A.Berger | 44 images |
| Agave parryi Engelm. | 429 images |
| Agave parviflora Torr. | 7 images |
| Agave polianthiflora Gentry | 4 images |
| Agave polyacantha Haw. | 3 images |
| Agave potatorum Zucc. | 186 images |
| Agave pubescens Regel & Ortgies | 4 images |
| Agave salmiana Otto ex Salm-Dyck | 325 images |
| Agave scabra Ortega | 4 images |
| Agave schidigera Lem. | 8 images |
| Agave schottii Engelm. | 13 images |
| Agave sebastiana Greene | 3 images |
| Agave seemanniana Jacobi | 2 images |
| Agave shawii Engelm. | 133 images |
| Agave shrevei Gentry | 2 images |
| Agave sisalana Perrine | 1141 images |
| Agave striata Zucc. | 18 images |
| Agave stricta Salm-Dyck | 111 images |
| Agave tequilana F.A.C.Weber | 73 images |
| Agave titanota Gentry | 44 images |
| Agave undulata Klotzsch | 4 images |
| Agave valenciana Cházaro & A.Vázquez | 3 images |
| Agave variegata Jacobi | 6 images |
| Agave victoriae-reginae T.Moore | 499 images |
| Agave vilmoriniana A.Berger | 7 images |
| Agave virginica L. | 54 images |
| Agave weberi J.F.Cels ex J.Poiss. | 13 images |
| Agave wocomahi Gentry | 1 images |
| Agave xylonacantha Salm-Dyck | 19 images |
| Ageratina adenophora (Spreng.) R.M.King & H.Rob. | 646 images |
| Ageratina havanensis (Kunth) R.M.King & H.Rob. | 11 images |
| Ageratina herbacea (A.Gray) R.M.King & H.Rob. | 17 images |
| Ageratina ligustrina (DC.) R.M.King & H.Rob. | 32 images |
| Ageratina paupercula (A.Gray) R.M.King & H.Rob. | 7 images |
| Ageratina pichinchensis (Kunth) R.M.King & H.Rob. | 15 images |
| Ageratina prunellifolia (Kunth) R.M.King & H.Rob. | 2 images |
| Ageratina riparia (Regel) R.M.King & H.Rob. | 530 images |
| Ageratina rothrockii (A.Gray) R.M.King & H.Rob. | 3 images |
| Ageratum conyzoides L. | 566 images |
| Ageratum corymbosum Zuccagni | 1 images |
| Ageratum houstonianum Mill. | 3129 images |
| Agonandra macrocarpa L.O.Williams | 12 images |
| Agoseris heterophylla (Nutt.) Greene | 45 images |
| Agoseris retrorsa Greene | 28 images |
| Agrimonia gryposepala Wallr. | 314 images |
| Agropyron cristatum (L.) Gaertn. | 111 images |
| Agrostis exarata Trin. | 11 images |
| Agrostis hyemalis (Walter) Britton, Sterns & Poggenb. | 4 images |
| Agrostis mertensii Trin. | 10 images |
| Agrostis microphylla Steud. | 2 images |
| Agrostis pallens Trin. | 4 images |
| Agrostis perennans (Walter) Tuck. | 4 images |
| Agrostis scabra Willd. | 2 images |
| Agrostis stolonifera L. | 364 images |
| Agrostis tolucensis Kunth | 7 images |
| Ailanthus altissima (Mill.) Swingle | 11862 images |
| Aiouea montana (Sw.) R.Rohde | 49 images |
| Aiouea neurophylla (Mez & Pittier) R.Rohde | 5 images |
| Aira caryophyllea L. | 441 images |
| Albizia adinocephala (Donn.Sm.) Britton & Rose ex Record | 60 images |
| Albizia carbonaria Britton | 59 images |
| Albizia lebbeck (L.) Benth. | 1249 images |
| Albizia niopoides (Spruce ex Benth.) Burkart | 15 images |
| Albuca bracteata (Thunb.) J.C.Manning & Goldblatt | 427 images |
| Alchemilla arvensis (L.) Scop. | 477 images |
| Alchemilla orbiculata Ruiz & Pav. | 4 images |
| Alchemilla pinnata Ruiz & Pav. | 43 images |
| Alchemilla procumbens Rose | 18 images |
| Alchornea latifolia Sw. | 62 images |
| Aldama cordifolia (A.Gray) E.E.Schill. & Panero | 4 images |
| Aldama phenax (S.F.Blake) E.E.Schill. & Panero | 2 images |
| Alfaroa costaricensis Standl. | 37 images |
| Alhagi graecorum Boiss. | 12 images |
| Alibertia edulis (Rich.) A.Rich. ex DC. | 120 images |
| Allamanda cathartica L. | 3425 images |
| Allamanda schottii Pohl | 206 images |
| Allenrolfea occidentalis (S.Watson) Kuntze | 28 images |
| Allionia choisyi Standl. | 9 images |
| Allionia incarnata L. | 145 images |
| Allium ampeloprasum L. | 6245 images |
| Allium cepa L. | 2391 images |
| Allium cernuum Roth | 235 images |
| Allium drummondii Regel | 55 images |
| Allium fimbriatum S.Watson | 29 images |
| Allium glandulosum Link & Otto | 2 images |
| Allium haematochiton S.Watson | 31 images |
| Allium macropetalum Rydb. | 9 images |
| Allium parryi S.Watson | 2 images |
| Allium peninsulare Lemmon ex Greene | 35 images |
| Allium praecox Brandegee | 15 images |
| Allium sativum L. | 1257 images |
| Allium unifolium Kellogg | 65 images |
| Allobriquetia spicata (Kunth) Bovini | 16 images |
| Allophylus psilospermus Radlk. | 75 images |
| Allophylus racemosus Sw. | 5 images |
| Alloplectus calochlamys Donn.Sm. | 1 images |
| Allosidastrum pyramidatum (Desp. ex Cav.) Krapov., Fryxell & Bates | 15 images |
| Alnus acuminata Kunth | 68 images |
| Alnus jorullensis Kunth | 5 images |
| Alnus oblongifolia Torr. | 4 images |
| Alnus rhombifolia Nutt. | 11 images |
| Aloe arborescens Mill. | 4334 images |
| Aloe maculata All. | 3802 images |
| Aloe vera (L.) Burm.f. | 10429 images |
| Alonsoa meridionalis (L.f.) Kuntze | 24 images |
| Alopecurus geniculatus L. | 116 images |
| Alopecurus saccatus Vasey | 4 images |
| Alophia silvestris (Loes.) Goldblatt | 24 images |
| Aloysia citrodora Paláu | 564 images |
| Aloysia gratissima (Gillies & Hook.) Tronc. | 188 images |
| Aloysia macrostachya (Torr.) Moldenke | 9 images |
| Alpinia purpurata (Vieill.) K.Schum. | 2492 images |
| Alsobia dianthiflora (H.E.Moore & R.G.Wilson) Wiehler | 31 images |
| Alsobia punctata (Lindl.) Hanst. | 6 images |
| Alsophila firma (Baker) D.S.Conant | 30 images |
| Alstroemeria psittacina Lehm. | 85 images |
| Alternanthera bettzickiana (Regel) G.Nicholson | 791 images |
| Alternanthera brasiliana (L.) Kuntze | 2057 images |
| Alternanthera caracasana Kunth | 134 images |
| Alternanthera ficoidea (L.) P.Beauv. | 159 images |
| Alternanthera flavescens Kunth | 27 images |
| Alternanthera laguroides (Standl.) Standl. | 12 images |
| Alternanthera lanceolata (Benth.) Schinz | 17 images |
| Alternanthera paronychioides A.St.-Hil. | 57 images |
| Alternanthera philoxeroides (Mart.) Griseb. | 339 images |
| Alternanthera pungens Kunth | 148 images |
| Alternanthera pycnantha (Benth.) Standl. | 4 images |
| Alternanthera sessilis (L.) R.Br. ex DC. | 477 images |
| Alvaradoa amorphoides Liebm. | 33 images |
| Alysicarpus vaginalis (L.) DC. | 202 images |
| Amaioua glomerulata (Lam. ex Poir.) Delprete & C.H.Perss. | 2 images |
| Amaranthus albus L. | 501 images |
| Amaranthus blitoides S.Watson | 498 images |
| Amaranthus californicus (Moq.) S.Watson | 12 images |
| Amaranthus crassipes Schltdl. | 2 images |
| Amaranthus cruentus L. | 1072 images |
| Amaranthus deflexus L. | 1731 images |
| Amaranthus fimbriatus (Torr.) Benth. | 45 images |
| Amaranthus graecizans L. | 30 images |
| Amaranthus greggii S.Watson | 1 images |
| Amaranthus hybridus L. | 1412 images |
| Amaranthus hypochondriacus L. | 1214 images |
| Amaranthus palmeri S.Watson | 117 images |
| Amaranthus polygonoides L. | 18 images |
| Amaranthus powellii S.Watson | 83 images |
| Amaranthus retroflexus L. | 8308 images |
| Amaranthus spinosus L. | 1295 images |
| Amaranthus torreyi (A.Gray) Benth. ex S.Watson | 35 images |
| Amaranthus tortuosus Hornem. | 70 images |
| Amaranthus viridis L. | 1546 images |
| Amaryllis belladonna L. | 2888 images |
| Amblyolepis setigera DC. | 31 images |
| Ambrosia acanthicarpa Hook. | 63 images |
| Ambrosia chamissonis Greene | 134 images |
| Ambrosia confertiflora DC. | 20 images |
| Ambrosia cumanensis Kunth | 2 images |
| Ambrosia dumosa (A.Gray) W.W.Payne | 8 images |
| Ambrosia hispida Pursh | 10 images |
| Ambrosia monogyra (Torr. & A.Gray) Strother & B.G.Baldwin | 2 images |
| Ambrosia psilostachya DC. | 361 images |
| Ambrosia salsola (Torr. & A.Gray) Strother & B.G.Baldwin | 1 images |
| Ambrosia trifida L. | 998 images |
| Amelanchier utahensis Koehne | 73 images |
| Amicia zygomeris DC. | 162 images |
| Ammannia auriculata Willd. | 13 images |
| Ammannia coccinea Rottb. | 48 images |
| Ammannia grayi S.A.Graham & Gandhi | 4 images |
| Ammannia latifolia L. | 15 images |
| Ammannia robusta Heer & Regel | 5 images |
| Ammi majus L. | 1818 images |
| Amorpha fruticosa L. | 1970 images |
| Ampelopsis cordata Michx. | 368 images |
| Amphicarpaea bracteata (L.) Fernald | 424 images |
| Amphilophium buccinatorium (DC.) L.G.Lohmann | 268 images |
| Amphilophium crucigerum (L.) L.G.Lohmann | 57 images |
| Amphilophium paniculatum (L.) Kunth | 27 images |
| Amphipterygium simplicifolium (Standl.) Cuevas-Figueroa | 25 images |
| Amphitecna latifolia (Mill.) A.H.Gentry | 9 images |
| Amphitecna macrophylla (Seem.) Miers ex Baill. | 11 images |
| Amsinckia menziesii (Lehm.) A.Nelson & J.F.Macbr. | 220 images |
| Amsonia grandiflora Alexander | 9 images |
| Amsonia longiflora Torr. | 20 images |
| Amsonia palmeri A.Gray | 6 images |
| Amsonia tomentosa Torr. & Frém. | 3 images |
| Amyris balsamifera L. | 4 images |
| Amyris elemifera L. | 37 images |
| Anacampseros coahuilensis (S.Watson) Eggli & Nyffeler | 1 images |
| Anacardium occidentale L. | 1048 images |
| Ananas comosus (L.) Merr. | 2844 images |
| Ananthacorus angustifolius (Sw.) Underw. & Maxon | 4 images |
| Anaphalis margaritacea (L.) Benth. & Hook.f. | 1295 images |
| Anathallis barbulata (Lindl.) Pridgeon & M.W.Chase | 5 images |
| Anathallis lewisiae (Ames) Solano & Soto Arenas | 5 images |
| Ancistrotropis peduncularis (Fawc. & Rendle) A.Delgado | 10 images |
| Andira inermis (W.Wright) DC. | 157 images |
| Andrographis paniculata (Burm.f.) Nees | 147 images |
| Androlepis skinneri (K.Koch) Brongn. ex Houllet | 24 images |
| Andropogon bicornis L. | 134 images |
| Andropogon gayanus Kunth | 4 images |
| Andropogon gerardi Vitman | 182 images |
| Andropogon glomeratus (Walter) Britton, Sterns & Poggenb. | 6 images |
| Andropogon gyrans Ashe | 9 images |
| Andropogon leucostachyus Kunth | 1 images |
| Andropogon ternarius Michx. | 32 images |
| Andropogon virginicus L. | 3 images |
| Androsace elongata L. | 60 images |
| Androsace septentrionalis L. | 161 images |
| Anemia adiantifolia (L.) Sw. | 4 images |
| Anemia hirsuta (L.) Sw. | 5 images |
| Anemia hispida Kunze | 6 images |
| Anemia mexicana Klotzsch | 38 images |
| Anemia phyllitidis (L.) Sw. | 39 images |
| Anemia tomentosa (Sav.) Sw. | 26 images |
| Anemone berlandieri Pritz. | 153 images |
| Anemone tuberosa Rydb. | 15 images |
| Anemopaegma chrysoleucum (Kunth) Sandwith | 26 images |
| Anemopaegma orbiculatum (Jacq.) DC. | 33 images |
| Anemopsis californica (Nutt.) Hook. & Arn. | 103 images |
| Anetium citrifolium (L.) Splitg. | 11 images |
| Angelonia angustifolia Benth. | 956 images |
| Angostura granulosa (Kallunki) Kallunki | 58 images |
| Anisacanthus puberulus (Torr.) Henrickson & E.J.Lott | 1 images |
| Anisacanthus quadrifidus (Vahl) Nees | 48 images |
| Anisacanthus thurberi (Torr.) A.Gray | 15 images |
| Anisantherina hispidula (Mart.) Pennell | 25 images |
| Aniseia luxurians (Moric.) Athiê-Souza & Buril | 1 images |
| Aniseia martinicensis (Jacq.) Choisy | 17 images |
| Annona cherimola Mill. | 1073 images |
| Annona glabra L. | 295 images |
| Annona macroprophyllata Donn.Sm. | 1 images |
| Annona mucosa Jacq. | 120 images |
| Annona muricata L. | 1472 images |
| Annona purpurea Moc. & Sessé ex Dunal | 43 images |
| Annona rensoniana (Standl.) H.Rainer | 24 images |
| Annona reticulata L. | 321 images |
| Annona scleroderma Saff. | 1 images |
| Annona spraguei Saff. | 1 images |
| Annona squamosa L. | 1134 images |
| Anoda acerifolia Cav. | 180 images |
| Anoda cristata (L.) Schltdl. | 61 images |
| Anogramma leptophylla (L.) Link | 257 images |
| Anredera cordifolia (Ten.) Steenis | 986 images |
| Anredera vesicaria (Lam.) C.F.Gaertn. | 4 images |
| Antennaria marginata Greene | 1 images |
| Antennaria parvifolia Nutt. | 88 images |
| Anthoxanthum odoratum L. | 2271 images |
| Anthurium andicola Liebm. | 2 images |
| Anthurium bakeri Hook.f. | 37 images |
| Anthurium berriozabalense Matuda | 4 images |
| Anthurium clarinervium Matuda | 345 images |
| Anthurium cubense Engl. | 16 images |
| Anthurium faustomirandae Pérez-Farr. & Croat | 77 images |
| Anthurium flexile Schott | 31 images |
| Anthurium machetioides Matuda | 1 images |
| Anthurium microspadix Schott | 34 images |
| Anthurium pedatoradiatum Schott | 16 images |
| Anthurium pentaphyllum (Aubl.) G.Don | 35 images |
| Anthurium podophyllum (Cham. & Schltdl.) Kunth | 6 images |
| Anthurium salvinii Hemsl. | 90 images |
| Anthurium scandens (Aubl.) Engl. | 86 images |
| Anthurium schlechtendalii Kunth | 162 images |
| Anthurium verapazense Engl. | 4 images |
| Anticlea elegans (Pursh) Rydb. | 41 images |
| Antigonon leptopus Hook. & Arn. | 1418 images |
| Antirrhinum majus L. | 14806 images |
| Anulocaulis leiosolenus (Torr.) Standl. | 3 images |
| Apeiba tibourbou Aubl. | 168 images |
| Aphanisma blitoides Nutt. ex Moq. | 5 images |
| Aphanostephus ramosissimus DC. | 36 images |
| Aphelandra aurantiaca (Scheidw.) Lindl. | 56 images |
| Aphelandra scabra (Vahl) Sm. | 121 images |
| Aphelandra speciosa Brandegee | 4 images |
| Apium graveolens L. | 1912 images |
| Apocynum androsaemifolium L. | 997 images |
| Apoplanesia paniculata C.Presl | 2 images |
| Aporocactus flagelliformis (L.) Lem. | 233 images |
| Aporocactus martianus (Zucc. ex Pfeiff.) Britton & Rose | 2 images |
| Apteria aphylla (Nutt.) Barnhart ex Small | 3 images |
| Aquarius cordifolius (L.) Christenh. & Byng | 89 images |
| Aquarius floribundus (Seub.) Christenh. & Byng | 15 images |
| Aquarius palifolius (Nees & Mart.) Christenh. & Byng | 13 images |
| Aquarius paniculatus (Micheli) Christenh. & Byng | 5 images |
| Aquarius subulatus (Mart. ex Schult.f.) Christenh. & Byng | 2 images |
| Aquilegia canadensis L. | 1939 images |
| Aquilegia chrysantha A.Gray | 65 images |
| Aquilegia elegantula Greene | 11 images |
| Aquilegia formosa Fisch. ex DC. | 61 images |
| Arachis hypogaea L. | 875 images |
| Arachnothryx bertieroides (Standl.) Borhidi | 8 images |
| Arachnothryx buddleioides (Benth.) Planch. | 34 images |
| Arachnothryx leucophylla (Kunth) Planch. | 63 images |
| Aralia excelsa (Griseb.) J.Wen | 18 images |
| Aralia humilis Cav. | 4 images |
| Arbutus menziesii Pursh | 780 images |
| Arbutus xalapensis Kunth | 130 images |
| Arceuthobium campylopodum Engelm. | 33 images |
| Arceuthobium divaricatum Engelm. | 1 images |
| Arceuthobium douglasii Engelm. | 4 images |
| Arceuthobium globosum Hawksw. & Wiens | 19 images |
| Archibaccharis schiedeana (Benth.) J.D.Jacks. | 8 images |
| Arctostaphylos glandulosa Eastw. | 72 images |
| Arctostaphylos glauca Lindl. | 128 images |
| Arctostaphylos patula Greene | 106 images |
| Arctostaphylos pringlei Parry | 7 images |
| Arctostaphylos pungens Kunth | 128 images |
| Ardisia bracteosa A.DC. | 57 images |
| Ardisia compressa Kunth | 52 images |
| Ardisia escallonioides Schltdl. & Cham. | 16 images |
| Ardisia nigropunctata Oerst. | 42 images |
| Ardisia pellucida Oerst. | 23 images |
| Ardisia revoluta Kunth | 64 images |
| Ardisia venosa Mast. ex Donn.Sm. | 2 images |
| Arenaria benthamii Fenzl ex Torr. & A.Gray | 1 images |
| Arenaria bryoides Willd. ex D.F.K.Schltdl. | 4 images |
| Arenaria digyna Willd. ex D.F.K.Schltdl. | 2 images |
| Arenaria lanuginosa (Michx.) Rohrb. | 8 images |
| Argemone mexicana L. | 1108 images |
| Argemone munita Durand & Hilg. | 5 images |
| Argemone ochroleuca Sweet | 83 images |
| Argemone platyceras Link & Otto | 3 images |
| Argemone pleiacantha Greene | 54 images |
| Argemone sanguinea Greene | 10 images |
| Argentina anserina (L.) Rydb. | 4861 images |
| Argyranthemum frutescens (L.) Sch.Bip. | 3518 images |
| Ariocarpus agavioides (Castañeda) E.S.Anderson | 14 images |
| Ariocarpus bravoanus H.M.Hern. & E.F.Anderson | 7 images |
| Ariocarpus fissuratus (Engelm.) K.Schum. | 64 images |
| Ariocarpus kotschoubeyanus (Lem.) K.Schum. | 23 images |
| Ariocarpus retusus Scheidw. | 33 images |
| Ariocarpus scaphirostrus Boed. | 3 images |
| Ariocarpus trigonus (F.A.C.Weber) K.Schum. | 16 images |
| Arisaema dracontium (L.) Schott | 346 images |
| Aristida adscensionis L. | 125 images |
| Aristida californica Thurb. | 3 images |
| Aristida jorullensis Kunth | 5 images |
| Aristida purpurea Nutt. | 7 images |
| Aristida ternipes Cav. | 10 images |
| Aristolochia anguicida Jacq. | 13 images |
| Aristolochia arborea Linden | 59 images |
| Aristolochia coryi I.M.Johnst. | 9 images |
| Aristolochia erecta L. | 2 images |
| Aristolochia grandiflora Sw. | 255 images |
| Aristolochia impudica J.F.Ortega | 3 images |
| Aristolochia leuconeura Linden | 3 images |
| Aristolochia littoralis Parodi | 715 images |
| Aristolochia maxima Jacq. | 25 images |
| Aristolochia pilosa Kunth | 5 images |
| Aristolochia tricaudata Lem. | 25 images |
| Aristolochia trilobata L. | 27 images |
| Aristolochia watsonii Wooton & Standl. | 14 images |
| Aristolochia wrightii Seem. | 11 images |
| Arpophyllum giganteum Hartw. ex Lindl. | 19 images |
| Arpophyllum spicatum Lex. | 5 images |
| Arracacia atropurpurea (Lehm.) Benth. & Hook.f. ex Hemsl. | 2 images |
| Arrhenatherum elatius (L.) P.Beauv. ex J.Presl & C.Presl | 1974 images |
| Artemisia absinthium L. | 4834 images |
| Artemisia californica Less. | 796 images |
| Artemisia campestris L. | 1636 images |
| Artemisia douglasiana Besser | 12 images |
| Artemisia dracunculus L. | 2290 images |
| Artemisia filifolia Torr. | 29 images |
| Artemisia ludoviciana Nutt. | 1124 images |
| Artemisia tridentata Nutt. | 340 images |
| Artemisia vulgaris L. | 16747 images |
| Arthraxon hispidus (Thunb.) Makino | 44 images |
| Arthroceras subterminale (Parish) Piirainen & G.Kadereit | 28 images |
| Arthrostemma ciliatum Pav. ex D.Don | 40 images |
| Arthrostemma parvifolium Cogn. | 3 images |
| Artocarpus altilis (Parkinson) Fosberg | 554 images |
| Arundinella berteroniana (Schult.) Hitchc. & Chase | 5 images |
| Arundo donax L. | 2981 images |
| Asclepias albicans S.Watson | 29 images |
| Asclepias angustifolia Schweigg. | 17 images |
| Asclepias arenaria Torr. | 15 images |
| Asclepias asperula (Decne.) Woodson | 441 images |
| Asclepias brachystephana Engelm. ex Torr. | 20 images |
| Asclepias californica Greene | 82 images |
| Asclepias curassavica L. | 2530 images |
| Asclepias emoryi (Greene) Vail | 9 images |
| Asclepias engelmanniana Woodson | 8 images |
| Asclepias eriocarpa Benth. | 99 images |
| Asclepias erosa Torr. | 56 images |
| Asclepias fascicularis Decne. | 245 images |
| Asclepias involucrata Engelm. ex Torr. | 2 images |
| Asclepias lemmonii A.Gray | 7 images |
| Asclepias linaria Cav. | 82 images |
| Asclepias macrotis Torr. | 5 images |
| Asclepias nummularia Torr. | 2 images |
| Asclepias prostrata W.H.Blackw. | 3 images |
| Asclepias subulata Decne. | 77 images |
| Asclepias subverticillata (A.Gray) Vail | 16 images |
| Asclepias texana A.Heller | 22 images |
| Asclepias tuberosa L. | 2226 images |
| Asclepias viridiflora Raf. | 212 images |
| Asclepias woodsoniana Standl. & Steyerm. | 36 images |
| Asemeia grandiflora (Walter) Small | 1 images |
| Asparagus aethiopicus L. | 1430 images |
| Asparagus falcatus L. | 410 images |
| Asparagus officinalis L. | 3081 images |
| Asparagus setaceus (Kunth) Jessop | 3239 images |
| Asphodelus fistulosus L. | 2735 images |
| Aspidistra elatior Blume | 1278 images |
| Aspidogyne clavigera (Rchb.f.) Meneguzzo | 5 images |
| Aspidogyne querceticola (Lindl.) Meneguzzo | 19 images |
| Aspidogyne stictophylla (Schltr.) Garay | 9 images |
| Aspidosperma desmanthum Benth. ex Müll.Arg. | 71 images |
| Aspidosperma megalocarpon Müll.Arg. | 19 images |
| Asplenium adiantum-nigrum L. | 1434 images |
| Asplenium alatum Humb. & Bonpl. ex Willd. | 32 images |
| Asplenium blepharophorum Bertol. | 5 images |
| Asplenium castaneum Schltdl. & Cham. | 2 images |
| Asplenium cirrhatum Rich. ex Willd. | 14 images |
| Asplenium cuspidatum Lam. | 2 images |
| Asplenium dissectum Sw. | 6 images |
| Asplenium erosum L. | 2 images |
| Asplenium exiguum Bedd. | 21 images |
| Asplenium feei Kunze ex Fée | 9 images |
| Asplenium formosum Willd. | 14 images |
| Asplenium harpeodes Kunze | 14 images |
| Asplenium juglandifolium Lam. | 15 images |
| Asplenium monanthes L. | 18 images |
| Asplenium myriophyllum (Sw.) C.Presl | 2 images |
| Asplenium praemorsum Sw. | 30 images |
| Asplenium pteropus Kaulf. | 7 images |
| Asplenium pumilum Sw. | 4 images |
| Asplenium resiliens Kunze | 11 images |
| Asplenium salicifolium L. | 11 images |
| Asplenium scolopendrium L. | 6182 images |
| Asplenium septentrionale (L.) Hoffm. | 398 images |
| Asplenium serra Langsd. & Fisch. | 13 images |
| Asplenium serratum L. | 56 images |
| Asplenium sessilifolium Desv. | 1 images |
| Asplenium theciferum (Kunth) Mett. | 4 images |
| Asplenium trichomanes L. | 5873 images |
| Asplenium vespertinum Maxon | 7 images |
| Asplundia utilis (Oerst.) Harling | 22 images |
| Astraea lobata (L.) Klotzsch | 81 images |
| Astraea surinamensis (Miq.) O.L.M.Silva & Cordeiro | 1 images |
| Astragalus coccineus (Parry) Brandegee | 13 images |
| Astragalus crassicarpus Nutt. | 69 images |
| Astragalus magdalenae Greene | 21 images |
| Astragalus mollissimus Torr. | 58 images |
| Astragalus nuttallianus DC. | 17 images |
| Astragalus pomonensis M.E.Jones | 7 images |
| Astragalus racemosus Pursh | 22 images |
| Astronium graveolens Jacq. | 42 images |
| Astrophytum asterias (Zucc.) Lem. | 277 images |
| Astrophytum capricorne (A.Dietr.) Britton & Rose | 108 images |
| Astrophytum caput-medusae (Velazco & Nevárez) D.R.Hunt | 2 images |
| Astrophytum coahuilense (H.Moeller) Kanfer | 3 images |
| Astrophytum myriostigma Lem. | 983 images |
| Astrophytum ornatum (DC.) Britton & Rose | 407 images |
| Ateleia pterocarpa Sessé & Moc. ex D.Dietr. | 7 images |
| Athysanus pusillus (Hook.) Greene | 1 images |
| Atriplex argentea Nutt. | 3 images |
| Atriplex canescens (Pursh) Nutt. | 157 images |
| Atriplex lentiformis (Torr.) S.Watson | 12 images |
| Atriplex lindleyi Moq. | 6 images |
| Atriplex muricata Humb. & Bonpl. ex Willd. | 3 images |
| Atriplex obovata Moq. | 5 images |
| Atriplex polycarpa (Torr.) S.Watson | 6 images |
| Atriplex rosea L. | 38 images |
| Atriplex semibaccata R.Br. | 96 images |
| Atriplex suberecta I.Verd. | 16 images |
| Attalea cohune Mart. | 30 images |
| Attalea rostrata Oerst. | 15 images |
| Augusta rivalis (Benth.) J.H.Kirkbr. | 41 images |
| Avena barbata Pott ex Link | 1259 images |
| Avena fatua L. | 2564 images |
| Avena sativa L. | 3692 images |
| Avenella flexuosa (L.) Drejer | 441 images |
| Avicennia bicolor Standl. | 27 images |
| Avicennia germinans (L.) L. | 432 images |
| Axonopus aureus P.Beauv. | 1 images |
| Axonopus compressus (Sw.) P.Beauv. | 212 images |
| Axonopus fissifolius (Raddi) Kuhlm. | 345 images |
| Axonopus purpusii (Mez) Chase | 1 images |
| Axonopus scoparius (Flüggé) Kuhlm. | 16 images |
| Ayenia aculeata (Jacq.) Christenh. & Byng | 26 images |
| Ayenia catalpifolia (Jacq.) Christenh. & Byng | 11 images |
| Ayenia compacta Rose | 42 images |
| Ayenia micrantha Standl. | 16 images |
| Azolla filiculoides Lam. | 359 images |
| Aztekium hintonii Glass & W.A.Fitz Maur. | 17 images |
| Aztekium ritteri (Boed.) Boed. | 16 images |
| Baccharis conferta Kunth | 15 images |
| Baccharis halimifolia L. | 1565 images |
| Baccharis neglecta Britton | 93 images |
| Baccharis pedunculata (Mill.) Cabrera | 16 images |
| Baccharis pilularis DC. | 709 images |
| Baccharis salicifolia (Ruiz & Pav.) Pers. | 26 images |
| Baccharis salicina Torr. & A.Gray | 23 images |
| Baccharis sarothroides A.Gray | 49 images |
| Baccharis trinervis Pers. | 13 images |
| Bacopa egensis (Poepp.) Pennell | 5 images |
| Bacopa laxiflora (Benth.) Edwall | 16 images |
| Bacopa monnieri (L.) Wettst. | 197 images |
| Bacopa repens (Sw.) Wettst. | 130 images |
| Bacopa rotundifolia (Michx.) Wettst. | 6 images |
| Bacopa salzmannii (Benth.) Edwall | 61 images |
| Bactris major Jacq. | 27 images |
| Baileya multiradiata Harv. & A.Gray | 53 images |
| Baileya pleniradiata Harv. & A.Gray | 1 images |
| Baltimora recta L. | 33 images |
| Bambusa multiplex (Lour.) Raeusch. ex Schult.f. | 119 images |
| Bambusa oldhamii Munro | 10 images |
| Bambusa tuldoides Munro | 56 images |
| Bambusa vulgaris Schrad. ex J.C.Wendl. | 185 images |
| Banisteriopsis elegans (Triana & Planch.) Sandwith | 21 images |
| Banisteriopsis muricata (Cav.) Cuatrec. | 54 images |
| Barbieria pinnata (Pers.) Baill. | 8 images |
| Barkeria shoemakeri Halb. | 2 images |
| Barkeria spectabilis Bateman ex Lindl. | 6 images |
| Barleria oenotheroides Dum.Cours. | 86 images |
| Bartlettina sordida (Less.) R.M.King & H.Rob. | 127 images |
| Bassia hyssopifolia (Pall.) Kuntze | 33 images |
| Batis maritima L. | 51 images |
| Bauhinia cookii Rose | 28 images |
| Bauhinia divaricata L. | 26 images |
| Bauhinia lunarioides A.Gray ex S.Watson | 32 images |
| Bauhinia monandra Kurz | 567 images |
| Bauhinia pauletia Pers. | 6 images |
| Bauhinia purpurea L. | 2515 images |
| Bauhinia ungulata L. | 37 images |
| Bauhinia variegata L. | 2843 images |
| Bdallophytum americanum (R.Br.) Eichler ex Solms | 1 images |
| Beaucarnea goldmanii Rose | 1 images |
| Beaucarnea gracilis Lem. | 21 images |
| Beaucarnea hookeri (Lem.) Baker | 15 images |
| Beaucarnea pliabilis (Baker) Rose | 15 images |
| Beaucarnea recurvata (K.Koch & Fintelm.) Lem. | 1041 images |
| Bebbia juncea (Benth.) Greene | 65 images |
| Begonia bowerae Ziesenh. | 367 images |
| Begonia carolineifolia Regel | 30 images |
| Begonia convallariodora C.DC. | 35 images |
| Begonia cucullata Willd. | 8500 images |
| Begonia fischeri Schrank | 195 images |
| Begonia glabra Aubl. | 36 images |
| Begonia gracilis Kunth | 8 images |
| Begonia heracleifolia Schltdl. & Cham. | 13 images |
| Begonia hydrocotylifolia Otto ex Hook. | 323 images |
| Begonia imperialis Lem. | 172 images |
| Begonia incarnata Link & Otto | 26 images |
| Begonia maculata Raddi | 4624 images |
| Begonia nelumbiifolia Schltdl. & Cham. | 10 images |
| Begonia peltata Otto & A.Dietr. | 5 images |
| Begonia plebeja Liebm. | 6 images |
| Begonia pustulata Liebm. | 8 images |
| Begonia sericoneura Liebm. | 58 images |
| Begonia strigillosa A.Dietr. | 14 images |
| Begonia urophylla Hook. | 50 images |
| Begonia wallichiana Lehm. | 1 images |
| Bellucia grossularioides (L.) Triana | 84 images |
| Bellucia pentamera Naudin | 33 images |
| Beloglottis hameri Garay | 3 images |
| Benjaminia reflexa (Benth.) D'Arcy | 3 images |
| Berberis alpina Zamudio | 9 images |
| Berberis fremontii Torr. | 13 images |
| Berberis haematocarpa Wooton | 8 images |
| Berberis higginsiae Munz | 19 images |
| Berberis pinnata Lag. | 11 images |
| Berberis russellii (N.P.Taylor) Marroq. & Laferr. | 3 images |
| Berberis trifoliolata Moric. | 164 images |
| Berberis wilcoxii Kearney | 1 images |
| Berchemia scandens (Hill) K.Koch | 5 images |
| Bergerocactus emoryi (Engelm.) Britton & Rose | 19 images |
| Berlandiera lyrata Benth. | 69 images |
| Bernardia dodecandra (Sessé ex Cav.) Govaerts | 3 images |
| Bernardia nicaraguensis Standl. & L.O.Williams | 2 images |
| Bertiera guianensis Aubl. | 22 images |
| Berula erecta (Huds.) Coville | 783 images |
| Beschorneria calcicola García-Mend. | 4 images |
| Beschorneria septentrionalis García-Mend. | 3 images |
| Beschorneria yuccoides K.Koch | 421 images |
| Besleria hirsuta (Oerst.) Hanst. | 15 images |
| Besleria laxiflora Benth. | 19 images |
| Bessera elegans Schult.f. | 1 images |
| Beta vulgaris L. | 8864 images |
| Bidens alba (L.) DC. | 266 images |
| Bidens aurea (Aiton) Sherff | 1857 images |
| Bidens cynapiifolia Kunth | 7 images |
| Bidens pilosa L. | 2865 images |
| Bidens reptans G.Don | 29 images |
| Bidens riparia Kunth | 6 images |
| Bidens triplinervia Kunth | 771 images |
| Bignonia aequinoctialis L. | 45 images |
| Bignonia diversifolia Kunth | 10 images |
| Bignonia hyacinthina (Standl.) L.G.Lohmann | 11 images |
| Bignonia neoheterophylla L.G.Lohmann | 29 images |
| Bignonia noterophila Mart. ex DC. | 1 images |
| Billbergia viridiflora H.Wendl. | 9 images |
| Biophytum dendroides (Kunth) DC. | 9 images |
| Bistorta bistortoides (Pursh) Small | 1 images |
| Bixa orellana L. | 1179 images |
| Blakea guatemalensis Donn.Sm. | 5 images |
| Blakea maurofernandeziana (Cogn.) Penneys & Almeda | 80 images |
| Blakea watsonii (Cogn.) Penneys & Almeda | 9 images |
| Blechnum appendiculatum Willd. | 5 images |
| Blechnum brasiliense Desv. | 188 images |
| Blechnum divergens (Kunze) Mett. | 7 images |
| Blechnum gracile Kaulf. | 10 images |
| Blechnum occidentale L. | 101 images |
| Blechnum polypodioides Raddi | 32 images |
| Blepharodon mucronatum (Schltdl.) Decne. | 20 images |
| Bletia brevicaulis (L.O.Williams) Sosa & M.W.Chase | 1 images |
| Bletia mexicana (Greenm.) Sosa & M.W.Chase | 5 images |
| Bletia purpurea (Lam.) A.DC. | 49 images |
| Bletia warnockii (Ames & Correll) Sosa & M.W.Chase | 13 images |
| Bloomeria crocea (Torr.) Coville | 50 images |
| Bocconia arborea S.Watson | 3 images |
| Bocconia frutescens L. | 171 images |
| Bocconia integrifolia Bonpl. | 4 images |
| Boehmeria aspera Wedd. | 4 images |
| Boehmeria caudata Sw. | 27 images |
| Boehmeria cylindrica (L.) Sw. | 576 images |
| Boehmeria nivea (L.) Gaudich. | 197 images |
| Boehmeria ulmifolia Wedd. | 6 images |
| Boerhavia anisophylla Torr. | 4 images |
| Boerhavia coccinea Mill. | 170 images |
| Boerhavia coulteri (Hook.f.) S.Watson | 6 images |
| Boerhavia diffusa L. | 506 images |
| Boerhavia erecta L. | 181 images |
| Boerhavia spicata Choisy | 3 images |
| Bolbitis portoricensis (Spreng.) Hennipman | 20 images |
| Bolboschoenus fluviatilis (Torr.) Soják | 3 images |
| Bolboschoenus maritimus (L.) Palla | 723 images |
| Bomarea edulis (Tussac) Herb. | 45 images |
| Bonamia mexicana J.A.McDonald | 13 images |
| Bonamia ovalifolia (Torr.) Hallier f. | 1 images |
| Bonellia albiflora (Lundell) B.Ståhl & Källersjö | 1 images |
| Bonellia flammea (Millsp. ex Mez) B.Ståhl & Källersjö | 2 images |
| Bonellia macrocarpa (Cav.) B.Ståhl & Källersjö | 26 images |
| Bonellia nervosa (C.Presl) B.Ståhl & Källersjö | 38 images |
| Bonnaya antipoda (L.) Druce | 22 images |
| Borago officinalis L. | 19225 images |
| Borrichia arborescens (L.) DC. | 47 images |
| Borrichia frutescens (L.) DC. | 137 images |
| Bothriochloa barbinodis (Lag.) Herter | 441 images |
| Bothriochloa bladhii (Retz.) S.T.Blake | 5 images |
| Bothriochloa ischaemum (L.) Keng | 527 images |
| Bothriochloa laguroides (DC.) Herter | 15 images |
| Bothriochloa pertusa (L.) A.Camus | 3 images |
| Bothriochloa saccharoides (Sw.) Rydb. | 3 images |
| Botrychium schaffneri Underw. | 6 images |
| Botrychium virginianum (L.) Sw. | 218 images |
| Bouchea prismatica (L.) Kuntze | 32 images |
| Bouchea spathulata Torr. | 2 images |
| Bougainvillea spectabilis Willd. | 10264 images |
| Bourreria andrieuxii (A.DC.) Hemsl. | 45 images |
| Bourreria huanita (Lex.) Hemsl. | 6 images |
| Bourreria succulenta Jacq. | 118 images |
| Bouteloua aristidoides (Kunth) Griseb. | 3 images |
| Bouteloua barbata Lag. | 1 images |
| Bouteloua curtipendula (Michx.) Torr. | 114 images |
| Bouteloua dactyloides (Nutt.) Columbus | 2 images |
| Bouteloua disticha (Kunth) Benth. | 3 images |
| Bouteloua gracilis (Kunth) Lag. ex Griffiths | 53 images |
| Bouteloua rigidiseta (Steud.) Hitchc. | 21 images |
| Bouteloua simplex Lag. | 10 images |
| Bouvardia glabra Polák | 2 images |
| Bouvardia ternifolia (Cav.) Schltdl. | 182 images |
| Bowlesia incana Ruiz & Pav. | 317 images |
| Boykinia rotundifolia Parry ex A.Gray | 4 images |
| Brahea aculeata (Brandegee) H.E.Moore | 8 images |
| Brahea armata S.Watson | 424 images |
| Brahea brandegeei (Purpus) H.E.Moore | 23 images |
| Brahea calcarea Liebm. | 9 images |
| Brahea dulcis (Kunth) Mart. | 39 images |
| Brahea edulis H.Wendl. ex S.Watson | 78 images |
| Brahea sarukhanii H.J.Quero | 3 images |
| Brasenia schreberi J.F.Gmel. | 4 images |
| Brassavola nodosa (L.) Lindl. | 89 images |
| Brassia caudata (L.) Lindl. | 243 images |
| Brassia maculata R.Br. | 5 images |
| Brassia verrucosa Bateman ex Lindl. | 24 images |
| Brassica juncea (L.) Czern. | 1354 images |
| Brassica rapa L. | 3793 images |
| Bravaisia integerrima (Spreng.) Standl. | 33 images |
| Brickellia californica (Torr. & A.Gray) A.Gray | 42 images |
| Brickellia coulteri A.Gray | 4 images |
| Brickellia eupatorioides (L.) Shinners | 77 images |
| Brickellia frutescens A.Gray | 1 images |
| Brickellia grandiflora (Hook.) Nutt. | 8 images |
| Brickellia laciniata A.Gray | 3 images |
| Brickellia microphylla (Nutt.) A.Gray | 2 images |
| Brickellia rusbyi A.Gray | 1 images |
| Brickellia venosa B.L.Rob. | 1 images |
| Briza minor L. | 332 images |
| Brodiaea jolonensis Eastw. | 15 images |
| Brodiaea orcuttii (Greene) Baker | 9 images |
| Bromelia karatas L. | 120 images |
| Bromelia pinguin L. | 286 images |
| Bromus arizonicus (Shear) Stebbins | 1 images |
| Bromus carinatus Hook. & Arn. | 28 images |
| Bromus catharticus Vahl | 407 images |
| Bromus diandrus Roth | 1326 images |
| Bromus hordeaceus L. | 2836 images |
| Bromus inermis Leyss. | 690 images |
| Bromus madritensis L. | 510 images |
| Bromus marginatus Nees ex Steud. | 1 images |
| Bromus rigidus Roth | 14 images |
| Bromus rubens L. | 375 images |
| Bromus secalinus L. | 229 images |
| Bromus tectorum L. | 400 images |
| Brosimum alicastrum Sw. | 111 images |
| Brosimum costaricanum Liebm. | 2 images |
| Brosimum guianense (Aubl.) Huber ex Ducke | 122 images |
| Brosimum lactescens (S.Moore) C.C.Berg | 45 images |
| Browallia americana L. | 156 images |
| Bruceholstia magnifolia (Pittier) Morillo | 15 images |
| Brugmansia × candida Pers. | 498 images |
| Brugmansia arborea (L.) Sweet | 5 images |
| Brugmansia sanguinea (Ruiz & Pav.) D.Don | 284 images |
| Brugmansia suaveolens (Humb. & Bonpl. ex Willd.) Sweet | 45 images |
| Buchnera pusilla Kunth | 29 images |
| Buddleja americana L. | 4 images |
| Buddleja cordata Kunth | 40 images |
| Buddleja marrubiifolia Benth. | 8 images |
| Buddleja nitida Benth. | 6 images |
| Buddleja scordioides Kunth | 7 images |
| Buddleja sessiliflora Kunth | 25 images |
| Bulbophyllum pinelianum (A.Rich.) Ormerod | 11 images |
| Bulbostylis barbata (Rottb.) C.B.Clarke | 13 images |
| Bulbostylis capillaris (L.) Kunth ex C.B.Clarke | 2 images |
| Bulbostylis junciformis (Kunth) C.B.Clarke | 1 images |
| Bulbostylis paradoxa (Spreng.) Lindm. | 16 images |
| Bulbostylis vestita (Kunth) C.B.Clarke | 2 images |
| Bunchosia glandulosa (Cav.) DC. | 3 images |
| Bunchosia lindeniana A.Juss. | 5 images |
| Bunchosia macrophylla Rose | 29 images |
| Bunchosia nitida (Jacq.) DC. | 42 images |
| Bunchosia swartziana Griseb. | 3 images |
| Burmannia capitata (Walter ex J.F.Gmel.) Mart. | 161 images |
| Bursera bipinnata (Moc. & Sessé ex DC.) Engl. | 7 images |
| Bursera fagaroides (Kunth) Engl. | 36 images |
| Bursera filicifolia Brandegee | 1 images |
| Bursera glabrifolia (Kunth) Engl. | 3 images |
| Bursera grandifolia (Schltdl.) Engl. | 24 images |
| Bursera graveolens (Kunth) Triana & Planch. | 33 images |
| Bursera hindsiana (Benth.) Engl. | 2 images |
| Bursera microphylla A.Gray | 7 images |
| Bursera schlechtendalii Engl. | 15 images |
| Bursera simaruba (L.) Sarg. | 517 images |
| Bursera tomentosa (Jacq.) Triana & Planch. | 59 images |
| Byrsonima crassifolia (L.) Kunth | 303 images |
| Cabomba caroliniana A.Gray | 61 images |
| Caesalpinia pulcherrima (L.) Sw. | 3109 images |
| Cajanus cajan (L.) Huth | 253 images |
| Cakile edentula (Bigelow) Hook. | 232 images |
| Cakile lanceolata (Willd.) O.E.Schulz | 2 images |
| Cakile maritima Scop. | 6011 images |
| Calandrinia acaulis Kunth | 61 images |
| Calandrinia ciliata (Ruiz & Pav.) DC. | 31 images |
| Calathea crotalifera S.Watson | 102 images |
| Calathea lutea (Aubl.) E.Mey. ex Schult. | 212 images |
| Calatola costaricensis Standl. | 73 images |
| Calceolaria mexicana Benth. | 11 images |
| Calceolaria tripartita Ruiz & Pav. | 79 images |
| Calea ternifolia Kunth | 7 images |
| Calea urticifolia (Mill.) DC. | 21 images |
| Calendula officinalis L. | 15185 images |
| Calibrachoa parviflora (Juss.) D'Arcy | 2389 images |
| Calliandra bijuga Rose | 26 images |
| Calliandra californica Benth. | 39 images |
| Calliandra conferta Benth. | 1 images |
| Calliandra eriophylla Benth. | 216 images |
| Calliandra houstoniana (Mill.) Standl. | 142 images |
| Calliandra humilis Benth. | 3 images |
| Calliandra magdalenae (Bertero ex DC.) Benth. | 10 images |
| Calliandra rubescens (M.Martens & Galeotti) Standl. | 28 images |
| Calliandra tergemina (L.) Benth. | 178 images |
| Calliandra trinervia Benth. | 13 images |
| Callianthe striata (G.F.Dicks. ex Lindl.) Donnell | 36 images |
| Callicarpa acuminata Kunth | 77 images |
| Callichlamys latifolia (Rich.) K.Schum. | 46 images |
| Callirhoe involucrata (Torr. & A.Gray) A.Gray | 44 images |
| Callisia fragrans (Lindl.) Woodson | 1696 images |
| Callisia gentlei Matuda | 143 images |
| Callisia monandra (Sw.) Schult. & Schult.f. | 6 images |
| Callisia navicularis (Ortgies) D.R.Hunt | 193 images |
| Callisia purpurascens (S.Schauer) Christenh. & Byng | 2 images |
| Callisia repens (Jacq.) L. | 2871 images |
| Callisia serrulata (Vahl) Christenh. & Byng | 58 images |
| Callisia soconuscensis Matuda | 1 images |
| Callisia warszewicziana (Kunth & C.D.Bouché) D.R.Hunt | 8 images |
| Callitriche heterophylla Pursh | 3 images |
| Callitriche marginata Torr. | 8 images |
| Callitriche palustris L. | 380 images |
| Callitriche terrestris Raf. | 5 images |
| Calocedrus decurrens (Torr.) Florin | 3071 images |
| Calochortus albus (Benth.) Douglas ex Benth. | 33 images |
| Calochortus barbatus (Kunth) Painter | 2 images |
| Calochortus concolor (Baker) Purdy & L.H.Bailey | 19 images |
| Calochortus dunnii Purdy | 7 images |
| Calochortus flexuosus S.Watson | 47 images |
| Calochortus kennedyi Porter | 104 images |
| Calochortus splendens Douglas ex Benth. | 140 images |
| Calochortus weedii Alph.Wood | 50 images |
| Calophyllum brasiliense Cambess. | 232 images |
| Calopogonium caeruleum (Benth.) C.Wright | 3 images |
| Calopogonium galactioides (Kunth) Benth. ex Hemsl. | 62 images |
| Calopogonium mucunoides Desv. | 125 images |
| Calotropis procera (Aiton) W.T.Aiton | 871 images |
| Calycophyllum candidissimum (Vahl) DC. | 63 images |
| Calycoseris parryi A.Gray | 17 images |
| Calycoseris wrightii A.Gray | 20 images |
| Calyptocarpus vialis Less. | 493 images |
| Calyptocarpus wendlandii Sch.Bip. | 5 images |
| Calyptridium monandrum Nutt. | 43 images |
| Calyptridium monospermum Greene | 51 images |
| Calyptridium umbellatum (Torr.) Greene | 92 images |
| Calyptrion arboreum (L.) Paula-Souza | 2 images |
| Calyptrocarya glomerulata (Brongn.) Urb. | 10 images |
| Calyptrogyne ghiesbreghtiana (Linden & H.Wendl.) H.Wendl. | 37 images |
| Calystegia longipes (S.Watson) Brummitt | 29 images |
| Calystegia macrostegia (Greene) Brummitt | 136 images |
| Calystegia sepium (L.) R.Br. | 9411 images |
| Calystegia soldanella (L.) R.Br. | 1804 images |
| Camissoniopsis hirtella (Greene) W.L.Wagner & Hoch | 1 images |
| Camonea umbellata (L.) A.R.Simões & Staples | 251 images |
| Campanula rapunculoides L. | 4834 images |
| Campuloclinium macrocephalum (Less.) DC. | 64 images |
| Campylocentrum fasciola (Lindl.) Cogn. | 6 images |
| Campylocentrum hondurense Ames | 1 images |
| Campylocentrum micranthum (Lindl.) Rolfe | 45 images |
| Campylocentrum pachyrrhizum (Rchb.f.) Rolfe | 3 images |
| Campyloneurum angustifolium (Sw.) Fée | 57 images |
| Campyloneurum phyllitidis (L.) C.Presl | 21 images |
| Campyloneurum repens (Aubl.) C.Presl | 13 images |
| Campyloneurum xalapense Fée | 18 images |
| Cananga odorata (Lam.) Hook.f. & Thomson | 603 images |
| Canavalia brasiliensis Mart. ex Benth. | 21 images |
| Canavalia ensiformis (L.) DC. | 45 images |
| Canavalia gladiata (Jacq.) DC. | 22 images |
| Canavalia oxyphylla Standl. & L.O.Williams | 33 images |
| Canavalia rosea (Sw.) DC. | 595 images |
| Canella winterana (L.) Gaertn. | 71 images |
| Canna flaccida Salisb. | 48 images |
| Canna glauca L. | 165 images |
| Canna indica L. | 10829 images |
| Canna paniculata Ruiz & Pav. | 1 images |
| Canna tuerckheimii Kraenzl. | 25 images |
| Canotia holacantha Torr. | 7 images |
| Cantinoa americana (Aubl.) Harley & J.F.B.Pastore | 21 images |
| Cantinoa mutabilis (Rich.) Harley & J.F.B.Pastore | 78 images |
| Caperonia castaneifolia (L.) A.St.-Hil. | 53 images |
| Caperonia palustris (L.) A.St.-Hil. | 63 images |
| Capraria biflora L. | 109 images |
| Capsella bursa-pastoris (L.) Medik. | 9859 images |
| Capsicum annuum L. | 11785 images |
| Capsicum frutescens L. | 962 images |
| Capsicum pubescens Ruiz & Pav. | 75 images |
| Capsicum rhomboideum (Humb. & Bonpl. ex Dunal) Kuntze | 2 images |
| Cardamine bonariensis Juss. ex Pers. | 53 images |
| Cardamine californica (Nutt.) Greene | 6 images |
| Cardamine flexuosa With. | 5342 images |
| Cardamine occulta Hornem. | 7 images |
| Cardamine oligosperma Nutt. | 53 images |
| Cardionema ramosissima (Weinm.) A.Nelson & J.F.Macbr. | 9 images |
| Cardiospermum grandiflorum Sw. | 252 images |
| Cardiospermum halicacabum L. | 1140 images |
| Carex albolutescens Schwein. | 5 images |
| Carex brachycalama Griseb. | 5 images |
| Carex bromoides Willd. | 4 images |
| Carex capitata Sol. | 1 images |
| Carex comosa Boott | 41 images |
| Carex eburnea Boott | 26 images |
| Carex echinata Murray | 275 images |
| Carex emoryi Dewey | 8 images |
| Carex frankii Kunth | 18 images |
| Carex globosa Boott | 6 images |
| Carex hamata Sw. | 4 images |
| Carex hystericina Muhl. ex Willd. | 31 images |
| Carex jamesonii Boott | 8 images |
| Carex lasiocarpa Ehrh. | 51 images |
| Carex leptopoda Mack. | 4 images |
| Carex longii Mack. | 13 images |
| Carex lupulina Muhl. ex Willd. | 82 images |
| Carex lurida Wahlenb. | 99 images |
| Carex meadii Dewey | 6 images |
| Carex microdonta Torr. | 1 images |
| Carex microptera Mack. | 5 images |
| Carex muehlenbergii Willd. | 3 images |
| Carex nigromarginata Schwein. | 3 images |
| Carex planostachys Kunze | 5 images |
| Carex polystachya Sw. ex Wahlenb. | 16 images |
| Carex polysticha Boeckeler | 6 images |
| Carex tribuloides Wahlenb. | 17 images |
| Carex utriculata Boott | 8 images |
| Carex vallicola Dewey | 2 images |
| Carex vulpinoidea Michx. | 112 images |
| Carica papaya L. | 5060 images |
| Carissa macrocarpa (Eckl.) A.DC. | 2742 images |
| Carlowrightia arizonica A.Gray | 29 images |
| Carlowrightia parviflora (Buckley) Wassh. | 2 images |
| Carludovica drudei Mast. | 1 images |
| Carludovica palmata Ruiz & Pav. | 254 images |
| Carminatia tenuiflora DC. | 5 images |
| Carnegiea gigantea (Engelm.) Britton & Rose | 273 images |
| Carolus sinemariensis (Aubl.) W.R.Anderson | 30 images |
| Carphochaete bigelovii A.Gray | 6 images |
| Carpobrotus aequilaterus (Haw.) N.E.Br. | 4 images |
| Carpobrotus chilensis (Molina) N.E.Br. | 65 images |
| Carpobrotus edulis (L.) N.E.Br. | 6559 images |
| Carthamus tinctorius L. | 928 images |
| Cartrema americana (L.) G.L.Nesom | 24 images |
| Carya illinoinensis (Wangenh.) K.Koch | 822 images |
| Carya myristiciformis (F.Michx.) Nutt. ex Elliott | 3 images |
| Carya ovata (Mill.) K.Koch | 354 images |
| Cascabela gaumeri (Hemsl.) Lippold | 79 images |
| Cascabela ovata (Cav.) Lippold | 4 images |
| Cascabela thevetia (L.) Lippold | 3323 images |
| Cascabela thevetioides (Kunth) Lippold | 29 images |
| Casearia aculeata Jacq. | 19 images |
| Casearia arborea (Rich.) Urb. | 55 images |
| Casearia arguta Kunth | 59 images |
| Casearia corymbosa Kunth | 72 images |
| Casearia guianensis (Aubl.) Urb. | 31 images |
| Casearia laetioides (A.Rich.) Warb. | 23 images |
| Casearia nitida (L.) Jacq. | 6 images |
| Casearia sylvestris Sw. | 340 images |
| Casearia tacanensis Lundell | 31 images |
| Casearia thamnia (L.) T.Samar. & M.H.Alford | 33 images |
| Casearia tremula (Griseb.) Griseb. ex C.Wright | 36 images |
| Casimiroa edulis La Llave | 162 images |
| Cassia fistula L. | 1972 images |
| Cassia grandis L.f. | 170 images |
| Cassia moschata Kunth | 3 images |
| Cassipourea elliptica (Sw.) Poir. | 70 images |
| Castela emoryi (A.Gray) Moran & Felger | 4 images |
| Castilla elastica Cerv. | 91 images |
| Castilleja affinis Hook. & Arn. | 46 images |
| Castilleja arvensis Schltdl. & Cham. | 31 images |
| Castilleja attenuata (A.Gray) T.I.Chuang & Heckard | 4 images |
| Castilleja exserta (A.Heller) T.I.Chuang & Heckard | 29 images |
| Castilleja foliolosa Hook. & Arn. | 2 images |
| Castilleja indivisa Engelm. | 321 images |
| Castilleja integra A.Gray | 4 images |
| Castilleja integrifolia L.f. | 18 images |
| Castilleja miniata Douglas ex Benth. | 362 images |
| Castilleja minor (A.Gray) A.Gray | 38 images |
| Castilleja nervata Eastw. | 36 images |
| Castilleja patriotica Fernald | 11 images |
| Castilleja sessiliflora Pursh | 14 images |
| Castilleja subinclusa Greene | 40 images |
| Castilleja tenuiflora Benth. | 96 images |
| Catapodium rigidum (L.) C.E.Hubb. | 398 images |
| Catasetum integerrimum Hook. | 7 images |
| Catharanthus roseus (L.) G.Don | 10025 images |
| Catoferia chiapensis A.Gray ex Benth. | 3 images |
| Catopsis compacta Mez | 2 images |
| Catopsis floribunda L.B.Sm. | 3 images |
| Catopsis juncifolia Mez & Wercklé | 3 images |
| Catopsis morreniana Mez | 1 images |
| Catopsis sessiliflora (Ruiz & Pav.) Mez | 110 images |
| Cavendishia bracteata (Ruiz & Pav. ex J.St.-Hil.) Hoerold | 29 images |
| Cavendishia callista Donn.Sm. | 2 images |
| Cayaponia racemosa (Mill.) Cogn. | 57 images |
| Ceanothus arboreus Greene | 2278 images |
| Ceanothus caeruleus Lag. | 12 images |
| Ceanothus cordulatus Kellogg | 56 images |
| Ceanothus crassifolius Torr. | 82 images |
| Ceanothus cuneatus (Hook.) Nutt. | 162 images |
| Ceanothus cyaneus Eastw. | 5 images |
| Ceanothus fendleri A.Gray | 3 images |
| Ceanothus herbaceus Raf. | 31 images |
| Ceanothus leucodermis Greene | 41 images |
| Ceanothus oliganthus Nutt. | 42 images |
| Ceanothus palmeri Trel. | 2 images |
| Ceanothus spinosus Nutt. | 36 images |
| Ceanothus thyrsiflorus Eschw. | 4153 images |
| Ceanothus tomentosus Parry | 74 images |
| Ceanothus verrucosus Nutt. | 3 images |
| Cecropia obtusifolia Bertol. | 185 images |
| Cecropia peltata L. | 363 images |
| Cedrela odorata L. | 277 images |
| Cedrela salvadorensis Standl. | 8 images |
| Cedrela tonduzii C.DC. | 20 images |
| Ceiba aesculifolia (Kunth) Britten & Baker f. | 36 images |
| Ceiba pentandra (L.) Gaertn. | 1363 images |
| Celastrus vulcanicola Donn.Sm. | 25 images |
| Celosia argentea L. | 9686 images |
| Celtis caudata Planch. | 46 images |
| Celtis iguanaea (Jacq.) Sarg. | 114 images |
| Celtis laevigata Willd. | 550 images |
| Celtis pallida Torr. | 19 images |
| Celtis trinervia Lam. | 19 images |
| Cenchrus americanus (L.) Morrone | 115 images |
| Cenchrus ciliaris L. | 483 images |
| Cenchrus clandestinus (Hochst. ex Chiov.) Morrone | 146 images |
| Cenchrus echinatus L. | 123 images |
| Cenchrus longisetus M.C.Johnst. | 997 images |
| Cenchrus longispinus (Hack.) Fernald | 80 images |
| Cenchrus nervosus (Nees) Kuntze | 1 images |
| Cenchrus orientalis (Rich.) Morrone | 43 images |
| Cenchrus palmeri Vasey | 1 images |
| Cenchrus purpureus (Schumach.) Morrone | 450 images |
| Cenchrus setaceus (Forssk.) Morrone | 2687 images |
| Cenchrus setosus Sw. | 7 images |
| Cenchrus spinifex Cav. | 30 images |
| Cenostigma eriostachys (Benth.) Gagnon & G.P.Lewis | 34 images |
| Centaurea cyanus L. | 16242 images |
| Centaurea melitensis L. | 783 images |
| Centella erecta (L.f.) Fernald | 19 images |
| Centradenia floribunda Planch. | 14 images |
| Centradenia grandifolia (Schltdl.) Endl. | 1 images |
| Centradenia inaequilateralis G.Don | 261 images |
| Centratherum punctatum Cass. | 515 images |
| Centromadia parryi (Greene) Greene | 17 images |
| Centromadia pungens Greene | 3 images |
| Centropogon cornutus (L.) Druce | 63 images |
| Centrosema macrocarpum Benth. | 18 images |
| Centrosema plumieri (Turpin ex Pers.) Benth. | 48 images |
| Centrosema pubescens Benth. | 385 images |
| Centrosema sagittatum (Humb. & Bonpl. ex Willd.) Brandegee | 20 images |
| Centrosema virginianum (L.) Benth. | 503 images |
| Cephalanthus occidentalis L. | 1240 images |
| Cephalanthus salicifolius Humb. & Bonpl. | 3 images |
| Cephalocereus polylophus (DC.) Britton & Rose | 100 images |
| Cephalocereus scoparius (Poselg.) Britton & Rose | 3 images |
| Cephalocereus senilis (Haw.) K.Schum. | 2 images |
| Cephalocereus tetetzo (F.A.C.Weber ex J.M.Coult.) Diguet | 7 images |
| Cerastium arvense L. | 5158 images |
| Cerastium glomeratum Thuill. | 4611 images |
| Cerastium holosteoides Fr. | 10 images |
| Cerastium nutans Raf. | 7 images |
| Cerastium vulcanicum Schltdl. | 3 images |
| Ceratonia siliqua L. | 6132 images |
| Ceratophyllum demersum L. | 298 images |
| Ceratopteris pteridoides (Hook.) Hieron. | 1 images |
| Ceratopteris thalictroides (L.) Brongn. | 41 images |
| Ceratozamia alvarezii Pérez-Farr., Vovides & Iglesias | 1 images |
| Ceratozamia hildae G.P.Landry & M.C.Wilson | 75 images |
| Ceratozamia huastecorum Avendaño, Vovides & Cast.-Campos | 4 images |
| Ceratozamia kuesteriana Regel | 5 images |
| Ceratozamia latifolia Miq. | 3 images |
| Ceratozamia mexicana Brongn. | 36 images |
| Ceratozamia robusta Miq. | 8 images |
| Ceratozamia vovidesii Pérez-Farr. & Iglesias | 2 images |
| Cercis canadensis L. | 6364 images |
| Cercocarpus fothergilloides Kunth | 1 images |
| Cercocarpus ledifolius Nutt. | 21 images |
| Cercocarpus montanus Raf. | 186 images |
| Cestrum aurantiacum Lindl. | 157 images |
| Cestrum diurnum L. | 65 images |
| Cestrum dumetorum Schltdl. | 2 images |
| Cestrum elegans (Brongn. ex Neumann) Schltdl. | 670 images |
| Cestrum fasciculatum (Schltdl.) Miers | 4 images |
| Cestrum glanduliferum Kerber ex Francey | 20 images |
| Cestrum nocturnum L. | 2025 images |
| Cestrum racemosum Ruiz & Pav. | 45 images |
| Cestrum schlechtendalii G.Don | 55 images |
| Cestrum tomentosum L.f. | 25 images |
| Cevallia sinuata Lag. | 8 images |
| Chaenactis artemisiifolia A.Gray | 13 images |
| Chaenactis carphoclinia A.Gray | 26 images |
| Chaenactis fremontii A.Gray | 53 images |
| Chaenactis glabriuscula DC. | 132 images |
| Chaenactis parishii A.Gray | 5 images |
| Chaenactis stevioides Hook. & Arn. | 68 images |
| Chaenactis xantiana A.Gray | 11 images |
| Chaenomeles speciosa (Sweet) Nakai | 7135 images |
| Chaerophyllum orizabae (I.M.Johnst.) K.F.Chung | 4 images |
| Chaetogastra longifolia (Vahl) DC. | 36 images |
| Chamaebatia australis (Brandegee) Abrams | 11 images |
| Chamaecrista absus (L.) H.S.Irwin & Barneby | 3 images |
| Chamaecrista desvauxii (Collad.) Killip | 30 images |
| Chamaecrista diphylla (L.) Greene | 63 images |
| Chamaecrista flexuosa (L.) Greene | 46 images |
| Chamaecrista glandulosa (L.) Greene | 34 images |
| Chamaecrista hispidula (Vahl) H.S.Irwin & Barneby | 27 images |
| Chamaecrista kunthiana (Schltdl. & Cham.) H.S.Irwin & Barneby | 35 images |
| Chamaecrista nictitans (L.) Moench | 212 images |
| Chamaecrista rotundifolia (Pers.) Greene | 60 images |
| Chamaecrista serpens (L.) Greene | 3 images |
| Chamaedorea alternans H.Wendl. | 1 images |
| Chamaedorea cataractarum Mart. | 2 images |
| Chamaedorea costaricana Oerst. | 29 images |
| Chamaedorea elatior Mart. | 1 images |
| Chamaedorea elegans Mart. | 1628 images |
| Chamaedorea ernesti-augusti H.Wendl. | 29 images |
| Chamaedorea geonomiformis H.Wendl. | 4 images |
| Chamaedorea glaucifolia H.Wendl. | 2 images |
| Chamaedorea hooperiana Hodel | 2 images |
| Chamaedorea klotzschiana H.Wendl. | 6 images |
| Chamaedorea metallica O.F.Cook ex H.E.Moore | 86 images |
| Chamaedorea microspadix Burret | 13 images |
| Chamaedorea nubium Standl. & Steyerm. | 1 images |
| Chamaedorea oblongata Mart. | 21 images |
| Chamaedorea pinnatifrons (Jacq.) Oerst. | 71 images |
| Chamaedorea plumosa Hodel | 5 images |
| Chamaedorea pochutlensis Liebm. | 28 images |
| Chamaedorea pygmaea H.Wendl. | 3 images |
| Chamaedorea radicalis Mart. | 10 images |
| Chamaedorea seifrizii Burret | 2182 images |
| Chamaedorea stolonifera H.Wendl. ex Hook.f. | 1 images |
| Chamaedorea tepejilote Liebm. | 154 images |
| Chamaedorea tuerckheimii (Dammer) Burret | 2 images |
| Chamaesaracha crenata Rydb. | 1 images |
| Chamaesaracha villosa Rydb. | 19 images |
| Chamissoa acuminata Mart. | 10 images |
| Chamissoa altissima (Jacq.) Kunth | 41 images |
| Chaptalia nutans (L.) Pol. | 75 images |
| Chaptalia texana Greene | 28 images |
| Chascolytrum subaristatum (Lam.) Desv. | 11 images |
| Chasmanthium latifolium (Michx.) H.O.Yates | 403 images |
| Cheiloclinium belizense (Standl.) A.C.Sm. | 1 images |
| Chenopodiastrum murale (L.) S.Fuentes, Uotila & Borsch | 1399 images |
| Chenopodium album L. | 14649 images |
| Chenopodium berlandieri Moq. | 46 images |
| Chenopodium opulifolium Schrad. ex W.D.J.Koch & Ziz | 6 images |
| Chenopodium pratericola Rydb. | 17 images |
| Chilopsis linearis (Cav.) Sweet | 413 images |
| Chimaphila maculata (L.) Pursh | 768 images |
| Chimaphila umbellata (L.) W.P.C.Barton | 124 images |
| Chiococca alba (L.) Hitchc. | 168 images |
| Chiococca belizensis Lundell | 12 images |
| Chiococca pachyphylla Wernham | 15 images |
| Chiococca semipilosa Standl. & Steyerm. | 14 images |
| Chionanthus oblanceolatus (B.L.Rob.) P.S.Green | 14 images |
| Chione venosa (Sw.) Urb. | 72 images |
| Chiranthodendron pentadactylon Larreat. | 23 images |
| Chloracantha spinosa (Benth.) G.L.Nesom | 5 images |
| Chloris barbata Sw. | 256 images |
| Chloris cucullata Bisch. | 5 images |
| Chloris gayana Kunth | 121 images |
| Chloris radiata (L.) Sw. | 14 images |
| Chloris rufescens Lag. | 5 images |
| Chloris verticillata Nutt. | 31 images |
| Chloris virgata Sw. | 65 images |
| Chloroleucon mangense (Jacq.) Britton & Rose | 33 images |
| Chlorophytum capense (L.) Voss | 1512 images |
| Choisya dumosa (Torr. & A.Gray) A.Gray | 37 images |
| Choisya ternata Kunth | 8649 images |
| Chomelia spinosa Jacq. | 22 images |
| Chorizanthe brevicornu Torr. | 28 images |
| Chorizanthe fimbriata Nutt. | 33 images |
| Chorizanthe procumbens Nutt. | 20 images |
| Christiana africana DC. | 94 images |
| Chromolaena glaberrima (DC.) R.M.King & H.Rob. | 8 images |
| Chromolaena ivifolia (L.) R.M.King & H.Rob. | 7 images |
| Chromolaena laevigata (Lam.) R.M.King & H.Rob. | 23 images |
| Chromolaena odorata (L.) R.M.King & H.Rob. | 892 images |
| Chrysactinia mexicana A.Gray | 51 images |
| Chrysanthellum indicum DC. | 10 images |
| Chrysanthemum × morifolium (Ramat.) Hemsl. | 2044 images |
| Chrysobalanus icaco L. | 454 images |
| Chrysochlamys nicaraguensis (Oerst., Planch. & Triana) Hemsl. | 30 images |
| Chrysophyllum cainito L. | 443 images |
| Chrysophyllum mexicanum Brandegee | 13 images |
| Chrysophyllum oliviforme L. | 36 images |
| Chrysophyllum venezuelanense (Pierre) T.D.Penn. | 38 images |
| Chrysopogon zizanioides (L.) Roberty | 91 images |
| Chrysothemis panamensis (Seem.) M.M.Mora & J.L.Clark | 4 images |
| Chrysothemis pulchella (Donn ex Sims) Decne. | 702 images |
| Chusquea mulleri Munro | 4 images |
| Chylismia cardiophylla (Torr.) Small | 8 images |
| Chysis limminghei Linden & Rchb.f. | 2 images |
| Cibotium schiedei Schltdl. & Cham. | 23 images |
| Cicer arietinum L. | 880 images |
| Cichorium intybus L. | 19313 images |
| Cicuta douglasii (DC.) J.M.Coult. & Rose | 1 images |
| Cicuta maculata L. | 324 images |
| Cienfuegosia yucatanensis Millsp. | 6 images |
| Cinchona pubescens Vahl | 27 images |
| Cinnagrostis rigescens (J.Presl) P.M.Peterson, Soreng, Romasch. & Barberá | 9 images |
| Cinnagrostis viridiflavescens (Poir.) P.M.Peterson, Soreng, Romasch. & Barberá | 5 images |
| Cionosicys macranthus (Pittier) C.Jeffrey | 1 images |
| Cipura campanulata Ravenna | 5 images |
| Cipura paludosa Aubl. | 50 images |
| Cirsium arizonicum (A.Gray) Petr. | 10 images |
| Cirsium horridulum Michx. | 258 images |
| Cirsium jorullense Spreng. | 36 images |
| Cirsium mexicanum DC. | 32 images |
| Cirsium mohavense (Greene) Petr. | 9 images |
| Cirsium occidentale (Nutt.) Jeps. | 114 images |
| Cirsium ochrocentrum A.Gray | 4 images |
| Cirsium scariosum Nutt. | 7 images |
| Cirsium texanum Buckley | 232 images |
| Cirsium undulatum Spreng. | 125 images |
| Cissampelos fasciculata Benth. | 5 images |
| Cissampelos grandifolia Triana & Planch. | 8 images |
| Cissampelos pareira L. | 116 images |
| Cissampelos tropaeolifolia DC. | 26 images |
| Cissus alata Jacq. | 509 images |
| Cissus biformifolia Standl. | 46 images |
| Cissus erosa Rich. | 68 images |
| Cissus microcarpa Vahl | 15 images |
| Cissus serrulatifolia L.O.Williams | 5 images |
| Cissus tiliacea Kunth | 4 images |
| Cissus trifoliata (L.) L. | 10 images |
| Cissus verticillata (L.) Nicolson & C.E.Jarvis | 600 images |
| Citharexylum caudatum L. | 36 images |
| Citharexylum donnell-smithii Greenm. | 21 images |
| Citrullus lanatus (Thunb.) Matsum. & Nakai | 2249 images |
| Citrus × aurantium L. | 8646 images |
| Citrus × limon (L.) Osbeck | 9571 images |
| Citrus medica L. | 988 images |
| Cladium mariscus (L.) Pohl | 288 images |
| Clarisia biflora Ruiz & Pav. | 33 images |
| Clarisia mexicana (Liebm.) Lanj. | 53 images |
| Clarisia racemosa Ruiz & Pav. | 18 images |
| Clarkia purpurea (Curtis) A.Nelson & J.F.Macbr. | 10 images |
| Clarkia rhomboidea Douglas | 62 images |
| Clarkia unguiculata Lindl. | 970 images |
| Claytonia parviflora Douglas | 51 images |
| Claytonia perfoliata Donn ex Willd. | 3357 images |
| Claytonia rosea Rydb. | 9 images |
| Cleidion castaneifolium Müll.Arg. | 69 images |
| Clematis acapulcensis Hook. & Arn. | 12 images |
| Clematis dioica L. | 20 images |
| Clematis grossa Benth. | 5 images |
| Clematis lasiantha Nutt. | 181 images |
| Clematis ligusticifolia Nutt. | 89 images |
| Clematis pauciflora Nutt. | 35 images |
| Clematis pitcheri Torr. & A.Gray | 3 images |
| Cleome aculeata L. | 47 images |
| Cleome dodecandra L. | 140 images |
| Cleome gigantea L. | 14 images |
| Cleome guianensis Aubl. | 18 images |
| Cleome gynandra L. | 433 images |
| Cleome pilosa Benth. | 5 images |
| Cleome rutidosperma DC. | 466 images |
| Cleome serrata Jacq. | 47 images |
| Cleome speciosa Raf. | 176 images |
| Cleome spinosa Jacq. | 1031 images |
| Cleome uniglandulosa Cav. | 18 images |
| Cleome viscosa L. | 468 images |
| Cleomella arborea (Nutt.) Roalson & J.C.Hall | 130 images |
| Cleomella lutea (Hook.) Roalson & J.C.Hall | 18 images |
| Cleomella refracta (Engelm.) J.C.Hall & Roalson | 2 images |
| Clerodendrum bungei Steud. | 1151 images |
| Clerodendrum chinense (Osbeck) Mabb. | 282 images |
| Clerodendrum japonicum (Thunb.) Sweet | 23 images |
| Clerodendrum speciosissimum Jacob-Makoy | 94 images |
| Clerodendrum thomsoniae Balf.f. | 2100 images |
| Clerodendrum umbellatum Poir. | 130 images |
| Clethra costaricensis Britton | 72 images |
| Clethra hondurensis Britton | 36 images |
| Clethra lanata M.Martens & Galeotti | 22 images |
| Clethra mexicana DC. | 14 images |
| Clinopodium brownei (Sw.) Kuntze | 24 images |
| Clinopodium mexicanum (Benth.) Govaerts | 1 images |
| Clinopodium nepeta (L.) Kuntze | 6012 images |
| Clitoria falcata Lam. | 15 images |
| Clitoria glaberrima Pittier | 13 images |
| Clitoria guianensis (Aubl.) Benth. | 26 images |
| Clitoria mariana L. | 130 images |
| Clitoria ternatea L. | 1501 images |
| Clivia miniata (Lindl.) Verschaff. | 215 images |
| Clowesia russelliana (Hook.) Dodson | 3 images |
| Clusia flava Jacq. | 28 images |
| Clusia minor L. | 42 images |
| Clusia rosea Jacq. | 1624 images |
| Clusia salvinii Donn.Sm. | 5 images |
| Cnestidium rufescens Planch. | 12 images |
| Cnidoscolus aconitifolius (Mill.) I.M.Johnst. | 283 images |
| Cnidoscolus angustidens Torr. | 45 images |
| Cnidoscolus megacanthus Breckon ex Fern.Casas | 18 images |
| Cnidoscolus tehuacanensis Breckon | 1 images |
| Cnidoscolus texanus (Müll.Arg.) Small | 1 images |
| Cnidoscolus urens (L.) Arthur | 278 images |
| Cobaea pringlei (House) Standl. | 1 images |
| Cobaea scandens Cav. | 401 images |
| Coccocypselum cordifolium Nees & Mart. | 6 images |
| Coccocypselum guianense (Aubl.) K.Schum. | 6 images |
| Coccocypselum herbaceum P.Browne ex Aubl. | 42 images |
| Coccocypselum hirsutum Bartl. ex DC. | 71 images |
| Coccoloba acapulcensis Standl. | 40 images |
| Coccoloba acuminata Kunth | 26 images |
| Coccoloba caracasana Meisn. | 40 images |
| Coccoloba diversifolia Jacq. | 33 images |
| Coccoloba spicata Lundell | 3 images |
| Coccoloba swartzii Meisn. | 13 images |
| Coccoloba tuerckheimii Donn.Sm. | 42 images |
| Coccoloba uvifera (L.) L. | 2230 images |
| Coccoloba venosa L. | 20 images |
| Cocculus carolinus (L.) DC. | 344 images |
| Cocculus diversifolius DC. | 1 images |
| Cochemiea albicans (Britton & Rose) P.B.Breslin & Majure | 4 images |
| Cochemiea blossfeldiana (Boed.) P.B.Breslin & Majure | 6 images |
| Cochemiea boolii (G.E.Linds.) P.B.Breslin & Majure | 2 images |
| Cochemiea capensis (H.E.Gates) Doweld | 5 images |
| Cochemiea conoidea (DC.) P.B.Breslin & Majure | 2 images |
| Cochemiea dioica (K.Brandegee) Doweld | 1 images |
| Cochemiea fraileana (Britton & Rose) P.B.Breslin & Majure | 3 images |
| Cochemiea grahamii (Engelm.) Doweld | 207 images |
| Cochemiea guelzowiana (Werderm.) P.B.Breslin & Majure | 11 images |
| Cochemiea halei (Brandegee) Walton | 2 images |
| Cochemiea hutchisoniana (H.E.Gates) P.B.Breslin & Majure | 3 images |
| Cochemiea insularis (H.E.Gates) P.B.Breslin & Majure | 2 images |
| Cochemiea macdougallii (Alexander) P.B.Breslin & Majure | 15 images |
| Cochemiea multidigitata (Radley ex G.E.Linds.) P.B.Breslin & Majure | 5 images |
| Cochemiea palmeri (J.M.Coult.) P.B.Breslin & Majure | 2 images |
| Cochemiea phitauiana (E.M.Baxter) Doweld | 1 images |
| Cochemiea pondii (Greene) Walton | 6 images |
| Cochemiea poselgeri (Hildm.) Britton & Rose | 2 images |
| Cochemiea saboae (Glass) Doweld | 18 images |
| Cochemiea schumannii (Hildm.) P.B.Breslin & Majure | 14 images |
| Cochemiea setispina (J.M.Coult.) Walton | 4 images |
| Cochemiea tetrancistra (Engelm.) P.B.Breslin & Majure | 121 images |
| Cochemiea theresae (Cutak) Doweld | 13 images |
| Cochemiea thornberi (Orcutt) P.B.Breslin & Majure | 135 images |
| Cochemiea wrightii (Engelm.) Doweld | 171 images |
| Cochliasanthus caracalla (L.) Trew | 82 images |
| Cochlospermum vitifolium (Willd.) Spreng. | 273 images |
| Cochlospermum wrightii (A.Gray) Byng & Christenh. | 2 images |
| Cocos nucifera L. | 2486 images |
| Codonanthopsis crassifolia (H.Focke) Chautems & Mat.Perret | 30 images |
| Codonanthopsis macradenia (Donn.Sm.) Chautems & Mat.Perret | 8 images |
| Codonanthopsis uleana (Fritsch) Chautems & Mat.Perret | 15 images |
| Coelia macrostachya Lindl. | 1 images |
| Coelia triptera (Sm.) Mutel | 3 images |
| Coffea arabica L. | 2826 images |
| Coincya tournefortii (Gouan) Alcaraz, T.E.Díaz, Rivas Mart. & Sánchez-Gómez | 347 images |
| Coix lacryma-jobi L. | 351 images |
| Cojoba arborea (L.) Britton & Rose | 122 images |
| Cojoba graciliflora (S.F.Blake) Britton & Rose | 2 images |
| Cojoba sophorocarpa (Benth.) Britton & Rose | 3 images |
| Coleus amboinicus Lour. | 4090 images |
| Coleus scutellarioides (L.) Benth. | 13295 images |
| Collinsia concolor Greene | 29 images |
| Collinsia heterophylla Buist ex Graham | 6 images |
| Colobanthus quitensis (Kunth) Bartl. | 20 images |
| Colocasia esculenta (L.) Schott | 5157 images |
| Cologania angustifolia Kunth | 9 images |
| Cologania broussonetii (Balb.) DC. | 13 images |
| Cologania obovata Schltdl. | 7 images |
| Colubrina arborescens (Mill.) Sarg. | 25 images |
| Colubrina elliptica (Sw.) Brizicky & W.L.Stern | 16 images |
| Colubrina spinosa Donn.Sm. | 66 images |
| Colubrina triflora Brongn. ex Sweet | 43 images |
| Columnea hirta Klotzsch & Hanst. | 139 images |
| Columnea microcalyx Hanst. | 18 images |
| Columnea nervosa (Klotzsch ex Oerst.) Hanst. | 5 images |
| Columnea purpurata Hanst. | 44 images |
| Columnea schiedeana Schltdl. | 14 images |
| Columnea sulfurea Donn.Sm. | 2 images |
| Comaclinium montanum (Benth.) Strother | 11 images |
| Comandra umbellata (L.) Nutt. | 89 images |
| Comarostaphylis arbutoides Lindl. | 26 images |
| Comarostaphylis diversifolia (Parry) Greene | 61 images |
| Comarostaphylis polifolia (Kunth) Zucc. ex Klotzsch | 2 images |
| Combretum decandrum Jacq. | 2 images |
| Combretum farinosum Kunth | 4 images |
| Combretum fruticosum (Loefl.) Stuntz | 19 images |
| Combretum laxum Jacq. | 32 images |
| Commelina dianthifolia Redouté | 15 images |
| Commelina diffusa Burm.f. | 513 images |
| Commelina erecta L. | 1782 images |
| Commelina obliqua Vahl | 13 images |
| Commelina rufipes Seub. | 17 images |
| Commelina tuberosa L. | 116 images |
| Comparettia falcata Poepp. & Endl. | 30 images |
| Compsoneura mexicana (Hemsl.) Janovec | 50 images |
| Condalia hookeri M.C.Johnst. | 1 images |
| Condalia warnockii M.C.Johnst. | 3 images |
| Condea albida (Kunth) Harley & J.F.B.Pastore | 9 images |
| Condea emoryi (Torr.) Harley & J.F.B.Pastore | 72 images |
| Condea verticillata (Jacq.) Harley & J.F.B.Pastore | 17 images |
| Condylostylis candida (Vell.) A.Delgado | 12 images |
| Connarus lentiginosus Brandegee | 2 images |
| Conocarpus erectus L. | 755 images |
| Conoclinium dissectum A.Gray | 1 images |
| Conopholis alpina Liebm. | 52 images |
| Conopholis americana (L.) Wallr. | 325 images |
| Convolvulus arvensis L. | 16382 images |
| Convolvulus crenatifolius Ruiz & Pav. | 2 images |
| Convolvulus equitans Benth. | 143 images |
| Corallorhiza maculata Raf. | 313 images |
| Corallorhiza odontorhiza (Willd.) Nutt. | 1 images |
| Corallorhiza striata Lindl. | 133 images |
| Corallorhiza wisteriana Conrad | 33 images |
| Corchorus aestuans L. | 121 images |
| Corchorus hirtus L. | 21 images |
| Corchorus olitorius L. | 143 images |
| Corchorus orinocensis Kunth | 10 images |
| Corchorus siliquosus L. | 25 images |
| Corchorus trilocularis L. | 175 images |
| Cordia alliodora (Ruiz & Pav.) Oken | 152 images |
| Cordia bicolor A.DC. | 18 images |
| Cordia boissieri A.DC. | 40 images |
| Cordia collococca L. | 71 images |
| Cordia dentata Poir. | 59 images |
| Cordia dichotoma G.Forst. | 278 images |
| Cordia diversifolia Pav. ex A.DC. | 15 images |
| Cordia dodecandra A.DC. | 41 images |
| Cordia eriostigma Pittier | 23 images |
| Cordia gerascanthus L. | 24 images |
| Cordia megalantha S.F.Blake | 129 images |
| Cordia panamensis L.Riley | 22 images |
| Cordia parvifolia A.DC. | 4 images |
| Cordia sebestena L. | 886 images |
| Cordylanthus rigidus (Benth.) Jeps. | 37 images |
| Cordyline fruticosa (L.) A.Chev. | 5708 images |
| Coreocarpus arizonicus S.F.Blake | 3 images |
| Coreopsis californica (Nutt.) H.Sharsm. | 8 images |
| Coreopsis gigantea (Kellogg) H.M.Hall | 26 images |
| Coreopsis maritima Hook.f. | 32 images |
| Coreopsis nuecensis A.Heller | 15 images |
| Coreopsis tinctoria Nutt. | 3078 images |
| Corethrogyne filaginifolia (Hook. & Arn.) Nutt. | 138 images |
| Coriandrum sativum L. | 3196 images |
| Coriaria ruscifolia L. | 98 images |
| Corispermum americanum (Nutt.) Nutt. | 2 images |
| Cornus disciflora Moc. & Sessé ex DC. | 9 images |
| Cornus florida L. | 5760 images |
| Cornus sericea L. | 7131 images |
| Cornutia pyramidata L. | 57 images |
| Cortaderia selloana (Schult. & Schult.f.) Asch. & Graebn. | 4030 images |
| Corydalis aurea Willd. | 98 images |
| Coryphantha clavata (Scheidw.) Backeb. | 3 images |
| Coryphantha compacta (Engelm.) Orcutt | 2 images |
| Coryphantha cornifera (DC.) Lem. | 90 images |
| Coryphantha delaetiana (Quehl) A.Berger | 6 images |
| Coryphantha delicata L.Bremer | 3 images |
| Coryphantha echinoidea (Quehl) Britton & Rose | 1 images |
| Coryphantha echinus (Engelm.) Orcutt | 2 images |
| Coryphantha elephantidens (Lem.) Lem. | 134 images |
| Coryphantha erecta (Lem. ex Pfeiff.) Lem. | 6 images |
| Coryphantha glanduligera (Otto & A.Dietr.) Lem. | 1 images |
| Coryphantha glassii Dicht & A.Lüthy | 2 images |
| Coryphantha hintoniorum Dicht & A.Lüthy | 2 images |
| Coryphantha kracikii Halda, Chalupa & Kupčák | 2 images |
| Coryphantha longicornis Boed. | 2 images |
| Coryphantha macromeris (Engelm.) Britton & Rose | 17 images |
| Coryphantha maiz-tablasensis Fritz Schwarz | 1 images |
| Coryphantha neglecta L.Bremer | 1 images |
| Coryphantha nickelsiae (K.Brandegee) Britton & Rose | 3 images |
| Coryphantha octacantha (DC.) Britton & Rose | 2 images |
| Coryphantha ottonis (Pfeiff.) Lem. | 3 images |
| Coryphantha pallida Britton & Rose | 10 images |
| Coryphantha poselgeriana (A.Dietr.) Britton & Rose | 2 images |
| Coryphantha potosiana (Jacobi) Glass & R.A.Foster ex Rowley | 1 images |
| Coryphantha pseudechinus Boed. | 5 images |
| Coryphantha pseudonickelsiae Backeb. | 2 images |
| Coryphantha pulleineana (Backeb.) Glass | 2 images |
| Coryphantha pycnacantha (Mart.) Lem. | 6 images |
| Coryphantha ramillosa Cutak | 8 images |
| Coryphantha recurvata (Engelm.) Britton & Rose | 2 images |
| Coryphantha retusa (Pfeiff.) Britton & Rose | 4 images |
| Coryphantha salinensis (Poselg.) Dicht & A.Lüthy | 3 images |
| Coryphantha sulcata (Engelm.) Britton & Rose | 7 images |
| Coryphantha tripugionacantha A.B.Lau | 3 images |
| Coryphantha vogtherriana Werderm. & Boed. | 2 images |
| Coryphantha werdermannii Boed. | 3 images |
| Coryphantha wohlschlageri Holzeis | 1 images |
| Cosmos atrosanguineus (Hook.) Voss | 296 images |
| Cosmos bipinnatus Cav. | 12962 images |
| Cosmos caudatus Kunth | 899 images |
| Cosmos parviflorus (Jacq.) Pers. | 30 images |
| Cosmos sulphureus Cav. | 3953 images |
| Costus comosus (Jacq.) Roscoe | 7 images |
| Costus dirzoi García-Mend. & G.Ibarra | 4 images |
| Costus guanaiensis Rusby | 110 images |
| Costus laevis Ruiz & Pav. | 51 images |
| Costus pictus D.Don | 19 images |
| Costus pulverulentus C.Presl | 18 images |
| Costus scaber Ruiz & Pav. | 49 images |
| Costus spicatus (Jacq.) Sw. | 260 images |
| Costus villosissimus Jacq. | 3 images |
| Cotula australis Hook.f. | 223 images |
| Cotula coronopifolia L. | 491 images |
| Couepia polyandra (Kunth) Rose | 27 images |
| Coulteria platyloba (S.Watson) N.Zamora | 24 images |
| Coursetia caribaea (Jacq.) Lavin | 48 images |
| Coutarea hexandra (Jacq.) K.Schum. | 82 images |
| Coutoubea spicata Aubl. | 32 images |
| Cranichis ciliata Kunth | 2 images |
| Cranichis muscosa Sw. | 9 images |
| Crassula aquatica (L.) Schönland | 7 images |
| Crassula connata (Ruiz & Pav.) A.Berger | 4 images |
| Crataegus baroussana Eggl. | 3 images |
| Crataegus crus-galli L. | 675 images |
| Crataegus gracilior J.B.Phipps | 2 images |
| Crataegus mexicana Moc. & Sessé ex DC. | 7 images |
| Crataegus tracyi Ashe ex Eggl. | 7 images |
| Crataegus uniflora Münchh. | 16 images |
| Crateva palmeri Rose | 2 images |
| Crateva tapia L. | 39 images |
| Cremnophila linguifolia (Lem.) Moran | 2 images |
| Cremnophila nutans Rose | 8 images |
| Crescentia alata Kunth | 83 images |
| Crescentia cujete L. | 1554 images |
| Cressa nudicaulis Griseb. | 2 images |
| Cressa truxillensis Kunth | 21 images |
| Crinum americanum L. | 341 images |
| Crinum asiaticum L. | 1588 images |
| Crinum erubescens L.f. ex Aiton | 27 images |
| Crinum moorei Hook.f. | 904 images |
| Crinum zeylanicum (L.) L. | 13 images |
| Critonia aromatisans (DC.) R.M.King & H.Rob. | 1 images |
| Critonia morifolia (Mill.) R.M.King & H.Rob. | 9 images |
| Critonia quadrangularis (DC.) R.M.King & H.Rob. | 19 images |
| Crocanthemum scoparium (Nutt.) Millsp. | 16 images |
| Crocosmia × crocosmiiflora (Lemoine) N.E.Br. | 6277 images |
| Crossopetalum parviflorum (Hemsl.) Lundell | 11 images |
| Crossopetalum rhacoma Crantz | 22 images |
| Crossopetalum uragoga (Jacq.) Kuntze | 7 images |
| Crossosoma californicum Nutt. | 2 images |
| Crotalaria incana L. | 214 images |
| Crotalaria longirostrata Hook. & Arn. | 3 images |
| Crotalaria maypurensis Kunth | 11 images |
| Crotalaria micans Link | 121 images |
| Crotalaria pallida Aiton | 393 images |
| Crotalaria pumila Ortega | 65 images |
| Crotalaria purshii DC. | 1 images |
| Crotalaria retusa L. | 603 images |
| Crotalaria sagittalis L. | 57 images |
| Crotalaria spectabilis Roth | 161 images |
| Crotalaria vitellina Ker Gawl. | 3 images |
| Croton arboreus Millsp. | 4 images |
| Croton argenteus L. | 29 images |
| Croton argyranthemus Michx. | 3 images |
| Croton billbergianus Müll.Arg. | 52 images |
| Croton brevipes Pax | 14 images |
| Croton ciliatoglandulifer Ortega | 28 images |
| Croton cortesianus Kunth | 5 images |
| Croton dioicus Cav. | 7 images |
| Croton draco Schltdl. & Cham. | 25 images |
| Croton flavens L. | 165 images |
| Croton glandulosus L. | 73 images |
| Croton guatemalensis Lotsy | 20 images |
| Croton heliotropiifolius Kunth | 2 images |
| Croton hirtus L'Hér. | 85 images |
| Croton humilis L. | 3 images |
| Croton incanus Kunth | 9 images |
| Croton monanthogynus Michx. | 106 images |
| Croton morifolius Willd. | 2 images |
| Croton niveus Jacq. | 23 images |
| Croton punctatus Jacq. | 22 images |
| Croton reflexifolius Kunth | 3 images |
| Croton schiedeanus Schltdl. | 59 images |
| Croton setiger Hook. | 240 images |
| Croton sonorae Torr. | 2 images |
| Croton trinitatis Millsp. | 43 images |
| Croton yucatanensis Lundell | 13 images |
| Cryosophila stauracantha (Heynh.) R.J.Evans | 1 images |
| Cryptantha clevelandii Greene | 42 images |
| Cryptantha pterocarya (Torr.) Greene | 39 images |
| Cryptanthus bivittatus (Hook.) Regel | 498 images |
| Cryptostegia grandiflora Roxb. ex R.Br. | 54 images |
| Cryptostegia madagascariensis Bojer ex Decne. | 344 images |
| Ctenitis submarginalis (Langsd. & Fisch.) Ching | 38 images |
| Ctenodon brasilianus (Poir.) D.B.O.S.Cardoso, P.L.R.Moraes & H.C.Lima | 7 images |
| Ctenodon compactus (Rose) A.Delgado | 19 images |
| Ctenodon elegans (Schltdl. & Cham.) D.B.O.S.Cardoso & A.Delgado | 2 images |
| Ctenodon fascicularis (Schltdl. & Cham.) A.Delgado | 3 images |
| Ctenodon histrix (Poir.) D.B.O.S.Cardoso, P.L.R.Moraes & H.C.Lima | 5 images |
| Cuatresia cuneata (Standl.) Bohs | 15 images |
| Cucumis anguria L. | 184 images |
| Cucumis dipsaceus Ehrenb. ex Spach | 69 images |
| Cucumis melo L. | 4778 images |
| Cucurbita argyrosperma C.Huber | 4 images |
| Cucurbita ficifolia Bouché | 168 images |
| Cucurbita foetidissima Kunth | 262 images |
| Cucurbita moschata Duchesne | 2631 images |
| Cucurbita palmata S.Watson | 14 images |
| Cucurbita pepo L. | 5166 images |
| Cuervea kappleriana (Miq.) A.C.Sm. | 24 images |
| Cuitlauzina pendula Lex. | 7 images |
| Cuitlauzina pulchella (Bateman ex Lindl.) Dressler & N.H.Williams | 12 images |
| Culcita coniifolia (Hook.) Maxon | 1 images |
| Cumarinia odorata (Boed.) Buxb. | 2 images |
| Cuminum cyminum L. | 58 images |
| Cupania glabra Sw. | 36 images |
| Cupania guatemalensis (Turcz.) Radlk. | 29 images |
| Cupania juglandifolia A.Rich. | 29 images |
| Cupania rufescens Triana & Planch. | 59 images |
| Cupania scrobiculata Rich. | 54 images |
| Cuphea appendiculata Benth. | 27 images |
| Cuphea calophylla Cham. & Schltdl. | 42 images |
| Cuphea carthagenensis (Jacq.) J.F.Macbr. | 99 images |
| Cuphea cyanea Moc. & Sessé ex DC. | 17 images |
| Cuphea elliptica Koehne | 69 images |
| Cuphea epilobiifolia Koehne | 40 images |
| Cuphea hookeriana Walp. | 131 images |
| Cuphea hyssopifolia Kunth | 2753 images |
| Cuphea ignea A.DC. | 717 images |
| Cuphea jorullensis Kunth | 5 images |
| Cuphea lanceolata W.T.Aiton | 3 images |
| Cuphea llavea Lex. | 152 images |
| Cuphea micropetala Kunth | 25 images |
| Cuphea procumbens Ortega | 13 images |
| Cuphea racemosa (L.f.) Spreng. | 66 images |
| Cuphea subuligera Koehne | 6 images |
| Cuphea utriculosa Koehne | 16 images |
| Cuphea viscosissima Jacq. | 47 images |
| Curatella americana L. | 91 images |
| Curculigo capitulata (Lour.) Kuntze | 309 images |
| Curtia tenuifolia (Aubl.) Knobl. | 7 images |
| Cuscuta americana L. | 24 images |
| Cuscuta approximata Bab. | 35 images |
| Cuscuta californica Hook. & Arn. | 5 images |
| Cuscuta campestris Yunck. | 583 images |
| Cuscuta cephalanthi Engelm. | 3 images |
| Cuscuta denticulata Engelm. | 18 images |
| Cuscuta indecora Choisy | 15 images |
| Cuscuta jalapensis Schltdl. | 4 images |
| Cuscuta pentagona Engelm. | 12 images |
| Cuscuta salina Engelm. | 74 images |
| Cuscuta subinclusa Durand & Hilg. | 8 images |
| Cuscuta umbellata Kunth | 4 images |
| Cuspidaria inaequalis (DC. ex Splitg.) L.G.Lohmann | 8 images |
| Cyanthillium cinereum (L.) H.Rob. | 746 images |
| Cyathea bicrenata Liebm. | 29 images |
| Cyathea microdonta (Desv.) Domin | 10 images |
| Cyathea schiedeana Domin | 10 images |
| Cyathula achyranthoides (Kunth) Moq. | 7 images |
| Cyclanthera carthagenensis (Jacq.) H.Schaef. & S.S.Renner | 21 images |
| Cyclanthera langaei Cogn. | 7 images |
| Cyclanthera multifoliola Cogn. | 30 images |
| Cyclanthera pedata (L.) Schrad. | 286 images |
| Cyclanthus bipartitus Poit. ex A.Rich. | 133 images |
| Cyclopeltis semicordata (Sw.) J.Sm. | 35 images |
| Cyclopogon cranichoides (Griseb.) Schltr. | 2 images |
| Cyclopogon elatus (Sw.) Schltr. | 8 images |
| Cyclospermum leptophyllum (Pers.) Sprague ex Britton & P.Wilson | 377 images |
| Cycnoches egertonianum Bateman | 1 images |
| Cylindropuntia acanthocarpa (Engelm. & J.M.Bigelow) F.M.Knuth | 33 images |
| Cylindropuntia arbuscula (Engelm.) F.M.Knuth | 1 images |
| Cylindropuntia bigelovii (Engelm.) F.M.Knuth | 73 images |
| Cylindropuntia cholla (F.A.C.Weber) F.M.Knuth | 7 images |
| Cylindropuntia echinocarpa (Engelm. & J.M.Bigelow) F.M.Knuth | 31 images |
| Cylindropuntia fulgida (Engelm.) F.M.Knuth | 193 images |
| Cylindropuntia ganderi (C.B.Wolf) Rebman & Pinkava | 2 images |
| Cylindropuntia imbricata (Haw.) F.M.Knuth | 425 images |
| Cylindropuntia kleiniae (DC.) F.M.Knuth | 8 images |
| Cylindropuntia leptocaulis (DC.) F.M.Knuth | 38 images |
| Cylindropuntia molesta (Brandegee) F.M.Knuth | 5 images |
| Cylindropuntia prolifera (Engelm.) F.M.Knuth | 4 images |
| Cylindropuntia ramosissima (Engelm.) F.M.Knuth | 26 images |
| Cylindropuntia tunicata (Lehm.) F.M.Knuth | 169 images |
| Cymbalaria muralis G.Gaertn., B.Mey. & Scherb. | 1544 images |
| Cymbopogon citratus (DC.) Stapf | 1062 images |
| Cymbopogon nardus (L.) Rendle | 49 images |
| Cymbosema roseum Benth. | 1 images |
| Cymopterus glomeratus (Nutt.) DC. | 2 images |
| Cymopterus hallii (A.Gray) B.L.Turner | 15 images |
| Cymopterus lemmonii (J.M.Coult. & Rose) Dorn | 70 images |
| Cynanchum ligulatum (Benth.) Woodson | 5 images |
| Cynanchum racemosum (Jacq.) Jacq. | 16 images |
| Cynodon dactylon (L.) Pers. | 2457 images |
| Cynodon nlemfuensis Vanderyst | 31 images |
| Cynodon plectostachyus (K.Schum.) Pilg. | 2 images |
| Cynoglossum amabile Stapf & J.R.Drumm. | 800 images |
| Cynoglossum creticum Mill. | 3654 images |
| Cynometra hemitomophylla (Donn.Sm.) Rose | 2 images |
| Cynometra retusa Britton & Rose | 27 images |
| Cynosurus echinatus L. | 569 images |
| Cyperus aggregatus (Willd.) Endl. | 48 images |
| Cyperus alternifolius L. | 2031 images |
| Cyperus amabilis Vahl | 5 images |
| Cyperus articulatus L. | 31 images |
| Cyperus bipartitus Torr. | 6 images |
| Cyperus blepharoleptos Steud. | 3 images |
| Cyperus brevifolius (Rottb.) Hassk. | 143 images |
| Cyperus compressus L. | 43 images |
| Cyperus difformis L. | 107 images |
| Cyperus digitatus Roxb. | 3 images |
| Cyperus distans L.f. | 6 images |
| Cyperus entrerianus Boeckeler | 12 images |
| Cyperus esculentus L. | 807 images |
| Cyperus flavescens L. | 58 images |
| Cyperus giganteus Vahl | 35 images |
| Cyperus haspan L. | 129 images |
| Cyperus hermaphroditus (Jacq.) Standl. | 13 images |
| Cyperus hortensis (Salzm. ex Steud.) Dorr | 137 images |
| Cyperus imbricatus Retz. | 11 images |
| Cyperus iria L. | 43 images |
| Cyperus laevigatus L. | 48 images |
| Cyperus lanceolatus Poir. | 6 images |
| Cyperus laxus Lam. | 38 images |
| Cyperus ligularis L. | 53 images |
| Cyperus luzulae (L.) Retz. | 58 images |
| Cyperus macrostachyos Lam. | 5 images |
| Cyperus mutisii (Kunth) Andersson | 3 images |
| Cyperus ochraceus Vahl | 7 images |
| Cyperus odoratus L. | 112 images |
| Cyperus pallidicolor (Kük.) G.C.Tucker | 4 images |
| Cyperus pedunculatus (R.Br.) J.Kern | 8 images |
| Cyperus polystachyos Rottb. | 16 images |
| Cyperus prolixus Kunth | 3 images |
| Cyperus reflexus Vahl | 3 images |
| Cyperus regiomontanus Britton | 5 images |
| Cyperus rotundus L. | 946 images |
| Cyperus seslerioides Kunth | 4 images |
| Cyperus sesquiflorus (Torr.) Mattf. & Kük. | 28 images |
| Cyperus simplex Kunth | 4 images |
| Cyperus squarrosus L. | 25 images |
| Cyperus subsquarrosus (Muhl.) Bauters | 160 images |
| Cyperus surinamensis Rottb. | 21 images |
| Cyperus tenerrimus J.Presl & C.Presl | 1 images |
| Cyperus tenuis Sw. | 18 images |
| Cyperus virens Michx. | 11 images |
| Cyphomeris crassifolia (Standl.) Standl. | 2 images |
| Cyrilla racemiflora L. | 75 images |
| Cyrtochiloides ochmatochila (Rchb.f.) N.H.Williams & M.W.Chase | 2 images |
| Cyrtocymura scorpioides (Lam.) H.Rob. | 82 images |
| Cyrtopodium macrobulbon (Lex.) G.A.Romero & Carnevali | 8 images |
| Cystopteris fragilis (L.) Bernh. | 1061 images |
| Dactylis glomerata L. | 9883 images |
| Dactyloctenium aegyptium (L.) Willd. | 390 images |
| Dahlia australis (Sherff) P.D.Sørensen | 3 images |
| Dahlia coccinea Cav. | 99 images |
| Dahlia excelsa Benth. | 14 images |
| Dahlia imperialis Roezl ex Ortgies | 272 images |
| Dahlia merckii Lehm. | 85 images |
| Dahlia pinnata Cav. | 13493 images |
| Dahlia pteropoda Sherff | 1 images |
| Dahlia sorensenii H.V.Hansen & Hjert. | 1 images |
| Dahlia tenuicaulis P.D.Sørensen | 53 images |
| Dalbergia ecastaphyllum (L.) Taub. | 73 images |
| Dalbergia glabra (Mill.) Standl. | 3 images |
| Dalbergia glomerata Hemsl. | 44 images |
| Dalbergia melanocardium Pittier | 25 images |
| Dalbergia ovalis (L.) P.L.R.Moraes & L.P.Queiroz | 5 images |
| Dalbergia retusa Hemsl. | 71 images |
| Dalea bicolor Humb. & Bonpl. ex Willd. | 4 images |
| Dalea candida Willd. | 9 images |
| Dalea carthagenensis (Jacq.) J.F.Macbr. | 2 images |
| Dalea formosa Torr. | 63 images |
| Dalea humilis G.Don | 4 images |
| Dalea jamesii (Torr.) Torr. & A.Gray | 2 images |
| Dalea lanata Spreng. | 4 images |
| Dalea leporina (Aiton) Bullock | 22 images |
| Dalea mollis Benth. | 36 images |
| Dalea mollissima (Rydb.) Munz | 8 images |
| Dalea multiflora (Nutt.) Shinners | 14 images |
| Dalea pulchra Gentry | 7 images |
| Dalea versicolor Zucc. | 11 images |
| Dalechampia cissifolia Poepp. | 5 images |
| Dalechampia scandens L. | 51 images |
| Dalechampia spathulata (Scheidw.) Baill. | 32 images |
| Dalechampia tiliifolia Lam. | 26 images |
| Damburneya coriacea (Sw.) Trofimov & Rohwer | 23 images |
| Damburneya martinicensis (Mez) Trofimov | 28 images |
| Damburneya purpurea (Ruiz & Pav.) Trofimov | 76 images |
| Damburneya salicifolia (Kunth) Trofimov & Rohwer | 1 images |
| Danaea media Liebm. | 17 images |
| Danaea moritziana C.Presl | 9 images |
| Daphnopsis americana (Mill.) J.R.Johnst. | 85 images |
| Dasylirion acrotrichum (Schiede) Zucc. | 28 images |
| Dasylirion glaucophyllum Hook. | 9 images |
| Dasylirion leiophyllum Engelm. ex Trel. | 40 images |
| Dasylirion longissimum Lem. | 120 images |
| Dasylirion serratifolium (Karw. ex Schult. & Schult.f.) Zucc. | 434 images |
| Dasylirion texanum Scheele | 79 images |
| Dasylirion wheeleri S.Watson ex Rothr. | 146 images |
| Datura ceratocaula Ortega | 10 images |
| Datura discolor Bernh. | 33 images |
| Datura ferox L. | 340 images |
| Datura innoxia Mill. | 1496 images |
| Datura metel L. | 578 images |
| Datura stramonium L. | 14120 images |
| Datura wrightii Regel | 1247 images |
| Daucus carota L. | 24404 images |
| Daucus pusillus Michx. | 194 images |
| Davilla kunthii A.St.-Hil. | 53 images |
| Davilla nitida (Vahl) Kubitzki | 46 images |
| Dayia havardii (A.Gray) J.M.Porter | 2 images |
| Deamia testudo (Karw. ex Zucc.) Britton & Rose | 78 images |
| Declieuxia fruticosa (Willd.) Kuntze | 49 images |
| Deherainia smaragdina (Planch. ex Linden) Decne. | 12 images |
| Deinandra fasciculata (DC.) Greene | 1 images |
| Deinandra kelloggii Greene | 5 images |
| Deinandra paniculata (A.Gray) Davidson & Moxley | 6 images |
| Delilia biflora (L.) Kuntze | 29 images |
| Delonix regia (Bojer ex Hook.) Raf. | 3001 images |
| Delphinium ajacis L. | 5817 images |
| Delphinium cardinale Hook. | 48 images |
| Delphinium carolinianum Walter | 154 images |
| Delphinium consolida L. | 2418 images |
| Delphinium patens Benth. | 67 images |
| Delphinium scaposum Greene | 18 images |
| Delphinium wootonii Rydb. | 4 images |
| Dendromecon rigida Benth. | 182 images |
| Dendropanax gonatopodus (Donn.Sm.) A.C.Sm. | 14 images |
| Dendropanax stenodontus (Standl.) A.C.Sm. | 12 images |
| Dendrophthora costaricensis Urb. | 4 images |
| Dennstaedtia bipinnata (Cav.) Maxon | 4 images |
| Dennstaedtia globulifera Hieron. | 3 images |
| Dentella repens (L.) J.R.Forst. & G.Forst. | 36 images |
| Deppea splendens Breedlove & Lorence | 8 images |
| Dermatophyllum gypsophilum (B.L.Turner & A.M.Powell) Vincent | 1 images |
| Dermatophyllum secundiflorum (Ortega) Gandhi & Reveal | 200 images |
| Deschampsia cespitosa (L.) P.Beauv. | 426 images |
| Deschampsia elongata (Hook.) Munro | 3 images |
| Descurainia pinnata (Walter) Britton | 160 images |
| Descurainia sophia (L.) Webb ex Prantl | 754 images |
| Desmanthus leptophyllus Kunth | 12 images |
| Desmanthus velutinus Scheele | 9 images |
| Desmanthus virgatus (L.) Willd. | 215 images |
| Desmodium affine Schltdl. | 9 images |
| Desmodium angustifolium (Kunth) DC. | 7 images |
| Desmodium axillare (Sw.) DC. | 21 images |
| Desmodium cajanifolium (Kunth) DC. | 41 images |
| Desmodium canescens (L.) DC. | 7 images |
| Desmodium distortum (Aubl.) J.F.Macbr. | 35 images |
| Desmodium incanum (Sw.) DC. | 133 images |
| Desmodium intortum (Mill.) Urb. | 172 images |
| Desmodium lindheimeri Vail | 3 images |
| Desmodium maxonii (Standl.) Standl. | 7 images |
| Desmodium procumbens (Mill.) C.L.Hitchc. | 25 images |
| Desmodium psilophyllum Schltdl. | 1 images |
| Desmodium purpusii Brandegee | 36 images |
| Desmodium scorpiurus (Sw.) Desv. ex DC. | 4 images |
| Desmodium tortuosum (Sw.) DC. | 146 images |
| Desmodium uncinatum (Jacq.) DC. | 66 images |
| Desmopsis schippii Standl. | 31 images |
| Dialium guianense (Aubl.) Sandwith | 67 images |
| Dianthera americana L. | 179 images |
| Dianthera candelariae (Oerst.) Hemsl. | 4 images |
| Dianthera candicans (Nees) Benth. & Hook.f. ex Hemsl. | 24 images |
| Dianthera comata L. | 26 images |
| Dianthera laevilinguis (Nees) Lindau | 17 images |
| Dianthera pectoralis (Jacq.) J.F.Gmel. | 66 images |
| Dianthera sessilis (Jacq.) J.F.Gmel. | 5 images |
| Diaperia verna (Raf.) Morefield | 8 images |
| Diastema racemiferum Benth. | 3 images |
| Dichaea glauca (Sw.) Lindl. | 3 images |
| Dichaea neglecta Schltr. | 5 images |
| Dichaea panamensis Lindl. | 63 images |
| Dichaea squarrosa Lindl. | 3 images |
| Dichanthelium acuminatum (Sw.) Gould & C.A.Clark | 45 images |
| Dichanthelium scribnerianum (Nash) J.R.Thomas | 2 images |
| Dichanthium annulatum (Forssk.) Stapf | 54 images |
| Dichanthium aristatum (Poir.) C.E.Hubb. | 2 images |
| Dichanthium sericeum (R.Br.) A.Camus | 4 images |
| Dichapetalum donnell-smithii Engl. | 4 images |
| Dichondra argentea Willd. | 510 images |
| Dichondra micrantha Urb. | 962 images |
| Dichondra occidentalis House | 10 images |
| Dichondra sericea Sw. | 7 images |
| Dichorisandra amabilis J.R.Grant | 31 images |
| Dichorisandra hexandra (Aubl.) C.B.Clarke | 27 images |
| Dichromanthus cinnabarinus (Lex.) Garay | 34 images |
| Dicliptera brachiata Spreng. | 69 images |
| Dicliptera resupinata (Vahl) Juss. | 28 images |
| Dicliptera sexangularis (L.) Juss. | 11 images |
| Dicliptera unguiculata Nees | 5 images |
| Dicranopteris flexuosa (Schrad.) Underw. | 5 images |
| Dicranopygium gracile (Liebm. ex Matuda) Harling | 2 images |
| Dicraspidia donnell-smithii Standl. | 4 images |
| Dictyostega orobanchoides (Hook.) Miers | 1 images |
| Didymochlaena truncatula (Sw.) J.Sm. | 6 images |
| Didymopanax morototoni (Aubl.) Decne. & Planch. | 120 images |
| Dieffenbachia oerstedii Schott | 290 images |
| Dieffenbachia seguine (Jacq.) Schott | 8626 images |
| Dieteria asteroides Torr. | 5 images |
| Dieteria canescens (Pursh) Nutt. | 68 images |
| Dietes grandiflora N.E.Br. | 982 images |
| Digitalis purpurea L. | 20577 images |
| Digitaria abyssinica (Hochst. ex A.Rich.) Stapf | 6 images |
| Digitaria bicornis (Lam.) Roem. & Schult. | 4 images |
| Digitaria californica (Benth.) Henrard | 4 images |
| Digitaria ciliaris (Retz.) Koeler | 197 images |
| Digitaria eriantha Steud. | 24 images |
| Digitaria filiformis (L.) Koeler | 5 images |
| Digitaria horizontalis Willd. | 5 images |
| Digitaria insularis (L.) Mez ex Ekman | 29 images |
| Digitaria ischaemum (Schreb.) Muhl. | 48 images |
| Digitaria milanjiana (Rendle) Stapf | 3 images |
| Digitaria sanguinalis (L.) Scop. | 2161 images |
| Digitaria setigera Roth | 14 images |
| Digitaria violascens Link | 12 images |
| Dimerandra emarginata (G.Mey.) Hoehne | 98 images |
| Dimorphocarpa wislizeni (Engelm.) Rollins | 4 images |
| Dinema polybulbon (Sw.) Lindl. | 11 images |
| Dioclea guianensis Benth. | 28 images |
| Dioclea virgata (Rich.) Amshoff | 24 images |
| Diodia virginiana L. | 377 images |
| Dioon caputoi De Luca, Sabato & Vázq.Torres | 4 images |
| Dioon edule Lindl. | 130 images |
| Dioon merolae De Luca, Sabato & Vázq.Torres | 8 images |
| Dioon rzedowskii De Luca, A.Moretti, Sabato & Vázq.Torres | 1 images |
| Dioon spinulosum Dyer ex Eichl. | 141 images |
| Dioscorea alata L. | 271 images |
| Dioscorea bulbifera L. | 481 images |
| Dioscorea convolvulacea Schltdl. & Cham. | 2 images |
| Dioscorea esculenta (Lour.) Burkill | 35 images |
| Dioscorea hondurensis R.Knuth | 17 images |
| Dioscorea lepida C.V.Morton | 17 images |
| Dioscorea matagalpensis Uline | 18 images |
| Dioscorea mexicana Scheidw. | 18 images |
| Dioscorea morelosana (Uline) Matuda | 1 images |
| Dioscorea pilosiuscula Bertero ex Spreng. | 13 images |
| Dioscorea polygonoides Humb. & Bonpl. ex Willd. | 11 images |
| Dioscorea racemosa (Klotzsch) Mottet | 17 images |
| Dioscorea spiculiflora Hemsl. | 25 images |
| Dioscorea urophylla Hemsl. | 31 images |
| Diospyros acapulcensis Kunth | 42 images |
| Diospyros nigra (J.F.Gmel.) Perr. | 172 images |
| Diospyros palmeri Eastw. | 1 images |
| Diospyros salicifolia Humb. & Bonpl. ex Willd. | 17 images |
| Diospyros texana Scheele | 118 images |
| Diphysa americana (Mill.) M.Sousa | 54 images |
| Diplachne fusca (L.) P.Beauv. ex Roem. & Schult. | 44 images |
| Diplacus clevelandii (Brandegee) Greene | 1 images |
| Diplacus puniceus Nutt. | 55 images |
| Diplazium cristatum (Desr.) Alston | 2 images |
| Diplazium franconis Liebm. | 3 images |
| Diplazium lindbergii (Mett.) Christ | 9 images |
| Diplazium lonchophyllum Kunze | 1 images |
| Diplazium obscurum Christ | 11 images |
| Diplazium prominulum Maxon | 12 images |
| Diplazium striatastrum Lellinger | 17 images |
| Diplazium striatum (L.) C.Presl | 2 images |
| Diplazium werckleanum Christ | 7 images |
| Diplotaxis muralis (L.) DC. | 829 images |
| Dipterostemon capitatus (Benth.) Rydb. | 468 images |
| Disciphania calocarpa Standl. | 7 images |
| Disocactus ackermannii (Haw.) Ralf Bauer | 1099 images |
| Disocactus anguliger (Lem.) M.Á.Cruz & S.Arias | 299 images |
| Disocactus crenatus (Lindl.) M.Á.Cruz & S.Arias | 1 images |
| Disocactus nelsonii (Britton & Rose) Linding. | 3 images |
| Disocactus phyllanthoides (DC.) Barthlott | 218 images |
| Disocactus speciosus (Cav.) Barthlott | 4 images |
| Distichlis littoralis (Engelm.) H.L.Bell & Columbus | 4 images |
| Distichlis spicata (L.) Greene | 90 images |
| Distimake aegyptius (L.) A.R.Simões & Staples | 176 images |
| Distimake cissoides (Lam.) A.R.Simões & Staples | 22 images |
| Distimake dissectus (Jacq.) A.R.Simões & Staples | 256 images |
| Distimake quinquefolius (L.) A.R.Simões & Staples | 73 images |
| Distimake tuberosus (L.) A.R.Simões & Staples | 408 images |
| Dithyrea californica Harv. | 64 images |
| Dodonaea viscosa Jacq. | 235 images |
| Dolichandra quadrivalvis (Jacq.) L.G.Lohmann | 5 images |
| Dolichandra unguis-cati (L.) L.G.Lohmann | 673 images |
| Doliocarpus dentatus (Aubl.) Standl. | 23 images |
| Dombeya wallichii (Lindl.) Benth. ex Baill. | 408 images |
| Domingoa purpurea (Lindl.) Van den Berg & Soto Arenas | 13 images |
| Dorstenia choconiana S.Watson | 39 images |
| Dorstenia contrajerva L. | 84 images |
| Dorstenia drakena L. | 9 images |
| Downingia cuspidata (Greene) Rattan | 7 images |
| Draba helleriana Greene | 8 images |
| Draba jorullensis Kunth | 23 images |
| Draba nivicola Rose | 15 images |
| Dracaena fragrans (L.) Ker Gawl. | 8524 images |
| Dracaena hyacinthoides (L.) Mabb. | 1822 images |
| Dracaena trifasciata (Prain) Mabb. | 11781 images |
| Drimys granadensis L.f. | 10 images |
| Drosera brevifolia Pursh | 68 images |
| Drosera capillaris Poir. | 139 images |
| Dryadella guatemalensis (Schltr.) Luer | 10 images |
| Drymaria cordata (L.) Willd. ex Schult. | 314 images |
| Drymaria villosa Schltdl. & Cham. | 4 images |
| Drymonia macrantha (Donn.Sm.) D.N.Gibson | 12 images |
| Drymonia macrophylla (Oerst.) H.E.Moore | 49 images |
| Drymonia multiflora (Oerst.) Wiehler | 4 images |
| Drymonia serrulata (Jacq.) Mart. | 72 images |
| Dryopteris arguta (Kaulf.) Watt | 3 images |
| Dryopteris filix-mas (L.) Schott | 6223 images |
| Dryopteris patula (Sw.) Underw. | 11 images |
| Dryopteris wallichiana (Spreng.) Hyl. | 51 images |
| Drypetes brownii Standl. | 14 images |
| Dudleya abramsii Rose | 19 images |
| Dudleya anthonyi Rose | 3 images |
| Dudleya brittonii Johanss. | 6 images |
| Dudleya cultrata Rose | 3 images |
| Dudleya edulis (Nutt.) Moran | 263 images |
| Dudleya lanceolata (Nutt.) Britton & Rose | 7 images |
| Dudleya pachyphytum Moran & M.Benedict | 10 images |
| Dudleya pulverulenta (Nutt.) Britton & Rose | 118 images |
| Dudleya saxosa (M.E.Jones) Britton & Rose | 2 images |
| Dudleya virens (Rose) Moran | 16 images |
| Duranta erecta L. | 7691 images |
| Dyschoriste linearis (Torr. & A.Gray) Kuntze | 34 images |
| Dyschoriste quadrangularis (Oerst.) Kuntze | 2 images |
| Dyschoriste schiedeana (Nees) Kuntze | 41 images |
| Dysphania ambrosioides (L.) Mosyakin & Clemants | 1235 images |
| Dysphania anthelmintica (L.) Mosyakin & Clemants | 1 images |
| Dysphania atriplicifolia (Spreng.) G.Kadereit, Sukhor. & Uotila | 59 images |
| Dysphania botrys (L.) Mosyakin & Clemants | 104 images |
| Dyssodia papposa (Vent.) Hitchc. | 23 images |
| Ebenopsis ebano (Berland.) Barneby & J.W.Grimes | 11 images |
| Echeandia flavescens (Schult. & Schult.f.) Cruden | 17 images |
| Echeandia formosa (Weath.) Cruden | 2 images |
| Echeandia mexicana Cruden | 1 images |
| Echeveria × sayulensis E.Walther | 1 images |
| Echeveria affinis E.Walther | 679 images |
| Echeveria agavoides Lem. | 2829 images |
| Echeveria amoena De Smet ex É.Morren | 9 images |
| Echeveria angustifolia E.Walther | 8 images |
| Echeveria atropurpurea (Baker) É.Morren | 8 images |
| Echeveria bifida Schltdl. | 5 images |
| Echeveria calderoniae Pérez-Calix | 3 images |
| Echeveria cante Glass & Mend.-Garc. | 383 images |
| Echeveria carnicolor (Baker) É.Morren | 32 images |
| Echeveria cerrograndensis A.Vázquez & Nieves | 2 images |
| Echeveria chazaroi Kimnach | 3 images |
| Echeveria chihuahuaensis Poelln. | 63 images |
| Echeveria coccinea (Cav.) DC. | 27 images |
| Echeveria colorata E.Walther | 1135 images |
| Echeveria craigiana E.Walther | 2 images |
| Echeveria crenulata Rose | 5 images |
| Echeveria cuspidata Rose | 9 images |
| Echeveria dactylifera E.Walther | 2 images |
| Echeveria derenbergii J.A.Purpus | 634 images |
| Echeveria desmetiana De Smet ex É.Morren | 8 images |
| Echeveria diffractens Kimnach & A.B.Lau | 12 images |
| Echeveria elegans Rose | 4309 images |
| Echeveria erubescens E.Walther | 1 images |
| Echeveria fimbriata C.H.Thomps. | 9 images |
| Echeveria fulgens Lem. | 9 images |
| Echeveria gibbiflora DC. | 3335 images |
| Echeveria gigantea Rose & Purpus | 1096 images |
| Echeveria globulosa Moran | 5 images |
| Echeveria goldmanii Rose | 3 images |
| Echeveria grisea E.Walther | 1 images |
| Echeveria halbingeri E.Walther | 11 images |
| Echeveria harmsii J.F.Macbr. | 64 images |
| Echeveria hyalina E.Walther | 10 images |
| Echeveria laui Moran & J.Meyrán | 141 images |
| Echeveria lilacina Kimnach & Moran | 1879 images |
| Echeveria longissima E.Walther | 16 images |
| Echeveria lutea Rose | 27 images |
| Echeveria macdougallii E.Walther | 16 images |
| Echeveria maxonii Rose | 10 images |
| Echeveria megacalyx E.Walther | 2 images |
| Echeveria meyraniana E.Walther | 3 images |
| Echeveria minima J.Meyrán | 38 images |
| Echeveria moranii E.Walther | 23 images |
| Echeveria mucronata Schltdl. | 2 images |
| Echeveria multicaulis Rose | 39 images |
| Echeveria nebularum Moran & Kimnach | 4 images |
| Echeveria nodulosa (Baker) Ed.Otto | 27 images |
| Echeveria nuda Lindl. | 3 images |
| Echeveria olivacea Moran | 1 images |
| Echeveria pallida E.Walther | 479 images |
| Echeveria pilosa J.A.Purpus | 10 images |
| Echeveria platyphylla Rose | 4 images |
| Echeveria potosina E.Walther | 1 images |
| Echeveria prolifica Moran & J.Meyrán | 26 images |
| Echeveria pulidonis E.Walther | 2136 images |
| Echeveria pulvinata Rose | 1651 images |
| Echeveria purpusiorum A.Berger | 776 images |
| Echeveria racemosa Schltdl. & Cham. | 6 images |
| Echeveria rodolfoi Mart.-Aval. & Mora-Olivo | 1 images |
| Echeveria rosea Lindl. | 6 images |
| Echeveria rubromarginata Rose | 12 images |
| Echeveria runyonii Rose | 2104 images |
| Echeveria secunda Booth ex Lindl. | 2603 images |
| Echeveria setosa Rose & Purpus | 2069 images |
| Echeveria shaviana E.Walther | 1359 images |
| Echeveria skinneri E.Walther | 7 images |
| Echeveria stolonifera (Baker) Ed.Otto | 1 images |
| Echeveria strictiflora A.Gray | 3 images |
| Echeveria subalpina Rose & Purpus | 4 images |
| Echeveria subcorymbosa Kimnach & Moran | 11 images |
| Echeveria subrigida (B.L.Rob. & Seaton) Rose | 8 images |
| Echeveria tamaulipana Mart.-Aval., Mora-Olivo & M.Terry | 4 images |
| Echeveria tobarensis (Rose) A.Berger | 1 images |
| Echeveria tolimanensis Matuda | 24 images |
| Echeveria tolucensis Rose | 7 images |
| Echeveria trianthina Rose | 2 images |
| Echeveria uhlii J.Meyrán | 1 images |
| Echeveria unguiculata Kimnach | 1 images |
| Echeveria violescens E.Walther | 1 images |
| Echeveria viridissima E.Walther | 4 images |
| Echeveria walpoleana Rose | 7 images |
| Echeveria xichuensis L.G.López & J.Reyes | 1 images |
| Echinocactus horizonthalonius Lem. | 107 images |
| Echinocactus parryi Engelm. | 1 images |
| Echinocactus platyacanthus Link & Otto | 61 images |
| Echinocactus polycephalus Engelm. & J.M.Bigelow | 6 images |
| Echinocactus texensis Hopffer | 217 images |
| Echinocereus × roetteri (Engelm.) Engelm. ex Rümpler | 5 images |
| Echinocereus acifer (Otto ex Salm-Dyck) Haage | 3 images |
| Echinocereus adustus Engelm. | 7 images |
| Echinocereus arizonicus Rose ex Orcutt | 3 images |
| Echinocereus barthelowanus Britton & Rose | 3 images |
| Echinocereus brandegeei (J.M.Coult.) Schelle | 10 images |
| Echinocereus bristolii W.T.Marshall | 4 images |
| Echinocereus chisoensis W.T.Marshall | 4 images |
| Echinocereus cinerascens (DC.) Haage | 3 images |
| Echinocereus coccineus Engelm. | 1083 images |
| Echinocereus dasyacanthus Engelm. | 98 images |
| Echinocereus engelmannii (Parry ex Engelm.) Lem. | 473 images |
| Echinocereus enneacanthus Engelm. | 82 images |
| Echinocereus fasciculatus (Engelm. ex B.D.Jacks.) L.D.Benson | 4 images |
| Echinocereus fendleri (Engelm.) Sencke ex Haage | 7 images |
| Echinocereus ferreirianus H.E.Gates | 7 images |
| Echinocereus freudenbergeri G.Frank | 3 images |
| Echinocereus grandis Britton & Rose | 4 images |
| Echinocereus knippelianus Liebner | 9 images |
| Echinocereus leucanthus N.P.Taylor | 1 images |
| Echinocereus longisetus (Engelm.) Lem. | 15 images |
| Echinocereus maritimus (M.E.Jones) K.Schum. | 8 images |
| Echinocereus nicholii (L.D.Benson) B.D.Parfitt | 4 images |
| Echinocereus nivosus Glass & R.A.Foster | 1 images |
| Echinocereus ortegae Rose | 6 images |
| Echinocereus palmeri Britton & Rose | 5 images |
| Echinocereus pamanesiorum A.B.Lau | 1 images |
| Echinocereus papillosus Linke ex C.F.Först. & Rümpler | 2 images |
| Echinocereus parkeri N.P.Taylor | 3 images |
| Echinocereus pectinatus (Scheidw.) Engelm. | 993 images |
| Echinocereus pentalophus (DC.) Engelm. ex Haage | 4 images |
| Echinocereus polyacanthus Engelm. | 35 images |
| Echinocereus poselgeri Lem. | 130 images |
| Echinocereus primolanatus Fritz Schwarz ex N.P.Taylor | 3 images |
| Echinocereus pulchellus (Mart.) K.Schum. | 16 images |
| Echinocereus rayonesensis N.P.Taylor | 1 images |
| Echinocereus reichenbachii (Terscheck) Haage | 25 images |
| Echinocereus rigidissimus (Engelm.) Hirscht | 4 images |
| Echinocereus russanthus D.Weniger | 3 images |
| Echinocereus salm-dyckianus Scheer | 3 images |
| Echinocereus scheeri (Salm-Dyck) Scheer | 24 images |
| Echinocereus schmollii (Weing.) N.P.Taylor | 4 images |
| Echinocereus sciurus (Brandegee) Dams | 7 images |
| Echinocereus scopulorum Britton & Rose | 4 images |
| Echinocereus spinigemmatus A.B.Lau | 3 images |
| Echinocereus stolonifer W.T.Marshall | 3 images |
| Echinocereus stramineus (Engelm.) Haage | 1 images |
| Echinocereus subinermis Salm-Dyck ex Scheer | 27 images |
| Echinocereus triglochidiatus Engelm. | 344 images |
| Echinocereus viereckii Werderm. | 55 images |
| Echinocereus viridiflorus Engelm. | 94 images |
| Echinocereus waldeisii Haugg | 2 images |
| Echinocereus websterianus G.E.Linds. | 3 images |
| Echinocereus weinbergii Weing. | 2 images |
| Echinochloa colonum (L.) Link | 201 images |
| Echinochloa crus-galli (L.) P.Beauv. | 2498 images |
| Echinochloa muricata (P.Beauv.) Fernald | 41 images |
| Echinochloa polystachya (Kunth) Hitchc. | 2 images |
| Echinochloa pyramidalis (Lam.) Hitchc. & Chase | 2 images |
| Echinochloa walteri (Pursh) A.Heller | 1 images |
| Echinodorus berteroi (Spreng.) Fassett | 12 images |
| Echinopepon racemosus (Steud.) C.Jeffrey | 14 images |
| Echinopepon wrightii (A.Gray) S.Watson | 9 images |
| Echites panduratus A.DC. | 10 images |
| Echites umbellatus Jacq. | 11 images |
| Eclipta prostrata (L.) L. | 1271 images |
| Egletes viscosa (L.) Less. | 26 images |
| Ehrendorferia chrysantha (Hook. & Arn.) Rylander | 3 images |
| Ehretia anacua (Terán & Berland.) I.M.Johnst. | 14 images |
| Ehretia latifolia Loisel. | 14 images |
| Ehretia tinifolia L. | 23 images |
| Ehrharta erecta Lam. | 41 images |
| Elachyptera floribunda (Benth.) A.C.Sm. | 27 images |
| Elaeodendron xylocarpum (Vent.) DC. | 6 images |
| Elaphoglossum engelii Christ | 16 images |
| Elaphoglossum erinaceum (Fée) T.Moore | 4 images |
| Elaphoglossum glabellum J.Sm. | 9 images |
| Elaphoglossum laminarioides (Bory) T.Moore | 1 images |
| Elaphoglossum latifolium (Sw.) J.Sm. | 5 images |
| Elaphoglossum minutum (Pohl ex Fée) T.Moore | 4 images |
| Elaphoglossum muscosum (Sw.) T.Moore | 5 images |
| Elaphoglossum peltatum (Sw.) Urb. | 37 images |
| Elaphoglossum petiolatum Urb. | 1 images |
| Elaphoglossum piloselloides T.Moore | 5 images |
| Elaphoglossum revolutum (Liebm.) T.Moore | 3 images |
| Elaphoglossum setosum T.Moore | 5 images |
| Elaphoglossum tenuiculum T.Moore | 3 images |
| Eleocharis acicularis (L.) Roem. & Schult. | 51 images |
| Eleocharis acutangula (Roxb.) Schult. | 10 images |
| Eleocharis albibracteata Nees & Meyen ex Kunth | 1 images |
| Eleocharis albida Torr. | 2 images |
| Eleocharis atropurpurea (Retz.) J.Presl & C.Presl | 4 images |
| Eleocharis bonariensis Nees | 33 images |
| Eleocharis cellulosa Torr. | 1 images |
| Eleocharis elegans (Kunth) Roem. & Schult. | 97 images |
| Eleocharis exigua (Kunth) Roem. & Schult. | 2 images |
| Eleocharis filiculmis Kunth | 1 images |
| Eleocharis flavescens (Poir.) Urb. | 8 images |
| Eleocharis interstincta (Vahl) Roem. & Schult. | 8 images |
| Eleocharis macrostachya Britton | 10 images |
| Eleocharis montana (Kunth) Roem. & Schult. | 1 images |
| Eleocharis mutata (L.) Roem. & Schult. | 8 images |
| Eleocharis palustris (L.) Roem. & Schult. | 610 images |
| Eleocharis parvula (Roem. & Schult.) Link ex Bluff, Nees & Schauer | 40 images |
| Eleocharis retroflexa (Poir.) Urb. | 12 images |
| Eleocharis sellowiana Kunth | 21 images |
| Elephantopus mollis Kunth | 232 images |
| Eleusine indica (L.) Gaertn. | 834 images |
| Eleusine multiflora Hochst. ex A.Rich. | 1 images |
| Eleusine tristachya (Lam.) Lam. | 136 images |
| Eleutherine latifolia (Standl. & L.O.Williams) Ravenna | 5 images |
| Elionurus muticus (Spreng.) Kuntze | 3 images |
| Elleanthus capitatus (Poepp. & Endl.) Rchb.f. | 21 images |
| Elleanthus caricoides Nash | 5 images |
| Elleanthus graminifolius (Barb.Rodr.) Løjtnant | 7 images |
| Elleanthus hymenophorus (Rchb.f.) Rchb.f. | 6 images |
| Elodea densa (Planch.) Casp. | 113 images |
| Elymus canadensis L. | 123 images |
| Elymus elymoides (Raf.) Swezey | 21 images |
| Elymus glaucus Buckley | 13 images |
| Elymus repens (L.) Gould | 555 images |
| Elymus riparius Wiegand | 4 images |
| Elymus violaceus (Hornem.) J.Feilberg | 8 images |
| Elytraria imbricata (Vahl) Pers. | 38 images |
| Emilia fosbergii Nicolson | 646 images |
| Emilia sonchifolia (L.) DC. | 382 images |
| Emmenanthe penduliflora Benth. | 102 images |
| Encelia actoni Elmer | 1 images |
| Encelia californica Nutt. | 328 images |
| Encelia farinosa A.Gray ex Torr. | 245 images |
| Encelia frutescens A.Gray | 30 images |
| Encyclia alata (Bateman) Schltr. | 4 images |
| Encyclia ceratistes (Lindl.) Schltr. | 2 images |
| Encyclia cordigera (Kunth) Dressler | 58 images |
| Encyclia guatemalensis (Klotzsch) Dressler & G.E.Pollard | 2 images |
| Encyclia incumbens (Lindl.) Mabb. | 2 images |
| Encyclia parviflora (Regel) Withner | 2 images |
| Encyclia pollardiana (Withner) Dressler & G.E.Pollard | 5 images |
| Engelmannia peristenia (Raf.) Goodman & C.A.Lawson | 17 images |
| Enneapogon desvauxii P.Beauv. | 7 images |
| Entada gigas (L.) Fawc. & Rendle | 89 images |
| Entada polystachya (L.) DC. | 51 images |
| Enterolobium cyclocarpum (Jacq.) Griseb. | 189 images |
| Enterolobium schomburgkii (Benth.) Benth. | 47 images |
| Enydra fluctuans Lour. | 4 images |
| Ephedra californica S.Watson | 4 images |
| Ephedra compacta Rose | 1 images |
| Epidendrum acunae Dressler | 16 images |
| Epidendrum centropetalum Rchb.f. | 24 images |
| Epidendrum chlorocorymbos Schltr. | 36 images |
| Epidendrum ciliare L. | 275 images |
| Epidendrum conopseum R.Br. | 9 images |
| Epidendrum coriifolium Lindl. | 4 images |
| Epidendrum coronatum Ruiz & Pav. | 3 images |
| Epidendrum cystosum Ames | 4 images |
| Epidendrum flexuosum G.Mey. | 38 images |
| Epidendrum incomptum Rchb.f. | 6 images |
| Epidendrum isomerum Schltr. | 8 images |
| Epidendrum isthmi Schltr. | 7 images |
| Epidendrum lacertinum Lindl. | 2 images |
| Epidendrum laucheanum Bonhof ex Rolfe | 3 images |
| Epidendrum longipetalum A.Rich. & Galeotti | 3 images |
| Epidendrum myodes Rchb.f. | 16 images |
| Epidendrum nocturnum Jacq. | 119 images |
| Epidendrum parkinsonianum Hook. | 5 images |
| Epidendrum porpax Rchb.f. | 4 images |
| Epidendrum radicans Pav. ex Lindl. | 686 images |
| Epidendrum ramosum Jacq. | 6 images |
| Epidendrum repens Cogn. | 5 images |
| Epidendrum rigidum Jacq. | 48 images |
| Epidendrum schlechterianum Ames | 8 images |
| Epidendrum sculptum Rchb.f. | 1 images |
| Epidendrum stamfordianum Bateman | 70 images |
| Epidendrum strobiliferum Rchb.f. | 23 images |
| Epifagus virginiana (L.) Barton | 103 images |
| Epilobium angustifolium L. | 16407 images |
| Epilobium brachycarpum C.Presl | 251 images |
| Epilobium canum (Greene) P.H.Raven | 275 images |
| Epilobium ciliatum Raf. | 4048 images |
| Epilobium denticulatum Ruiz & Pav. | 16 images |
| Epilobium glaberrimum Barbey | 13 images |
| Epilobium hallianum Hausskn. | 1 images |
| Epipactis gigantea Douglas | 170 images |
| Epiphyllum chrysocardium Alexander | 33 images |
| Epiphyllum hookeri Haw. | 113 images |
| Epiphyllum oxypetalum (DC.) Haw. | 2779 images |
| Epiphyllum phyllanthus (L.) Haw. | 439 images |
| Epiphyllum pumilum Britton & Rose | 21 images |
| Epiphyllum thomasianum (K.Schum.) Britton & Rose | 5 images |
| Episcia cupreata (Hook.) Hanst. | 1689 images |
| Episcia lilacina Hanst. | 72 images |
| Epithelantha bokei L.D.Benson | 6 images |
| Epithelantha greggii (Engelm.) Orcutt | 7 images |
| Epithelantha micromeris (Engelm.) F.A.C.Weber ex Britton & Rose | 59 images |
| Epithelantha pachyrhiza (W.T.Marshall) Backeb. | 4 images |
| Equisetum × ferrissii Clute | 1 images |
| Equisetum × schaffneri Milde | 3 images |
| Equisetum giganteum L. | 55 images |
| Equisetum laevigatum A.Braun & Engelm. | 68 images |
| Equisetum myriochaetum Schltdl. & Cham. | 16 images |
| Eragrostis acutiflora (Kunth) Nees | 12 images |
| Eragrostis barrelieri Daveau | 59 images |
| Eragrostis cilianensis (All.) Vignolo ex Janch. | 85 images |
| Eragrostis ciliaris (L.) R.Br. | 5 images |
| Eragrostis curvula (Schrad.) Nees | 60 images |
| Eragrostis hypnoides (Lam.) Britton, Sterns & Poggenb. | 5 images |
| Eragrostis japonica (Thunb.) Trin. | 5 images |
| Eragrostis lehmanniana Nees | 4 images |
| Eragrostis maypurensis (Kunth) Steud. | 1 images |
| Eragrostis mexicana (Hornem.) Link | 27 images |
| Eragrostis minor Host | 261 images |
| Eragrostis pectinacea (Michx.) Nees | 27 images |
| Eragrostis pilosa (L.) P.Beauv. | 51 images |
| Eragrostis prolifera (Sw.) Steud. | 9 images |
| Eragrostis spectabilis (Pursh) Steud. | 164 images |
| Eragrostis superba Peyr. | 248 images |
| Eragrostis tenella (L.) P.Beauv. ex Roem. & Schult. | 20 images |
| Eragrostis tenuifolia (A.Rich.) Hochst. ex Steud. | 16 images |
| Eragrostis unioloides (Retz.) Nees ex Steud. | 97 images |
| Eragrostis viscosa (Retz.) Trin. | 4 images |
| Erblichia odorata Seem. | 56 images |
| Erechtites hieraciifolius (L.) Raf. ex DC. | 1504 images |
| Erechtites valerianifolius (Link ex Spreng.) DC. | 52 images |
| Eremalche rotundifolia (A.Gray) Greene | 5 images |
| Eremochloa ophiuroides (Munro) Hack. | 2 images |
| Erianthus trinii (Hack.) Hack. | 3 images |
| Ericameria cuneata McClatchie | 1 images |
| Ericameria palmeri (A.Gray) H.M.Hall | 5 images |
| Erigeron bonariensis L. | 2261 images |
| Erigeron canadensis L. | 12999 images |
| Erigeron divergens Torr. & A.Gray | 8 images |
| Erigeron flagellaris A.Gray | 2 images |
| Erigeron floribundus (Kunth) Sch.Bip. | 1629 images |
| Erigeron foliosus Nutt. | 174 images |
| Erigeron karvinskianus DC. | 4679 images |
| Erigeron laevigatus Rich. | 2 images |
| Erigeron longipes DC. | 5 images |
| Erigeron modestus A.Gray | 6 images |
| Erigeron neomexicanus A.Gray | 2 images |
| Erigeron primulifolius (Lam.) Greuter | 3 images |
| Erigeron procumbens (Mill.) G.L.Nesom | 3 images |
| Erigeron pubescens Kunth | 8 images |
| Erigeron speciosus (Lindl.) DC. | 886 images |
| Erigeron sumatrensis Retz. | 3784 images |
| Eriocaulon decangulare L. | 5 images |
| Eriocaulon seemannii Moldenke | 22 images |
| Eriodictyon angustifolium Nutt. | 12 images |
| Eriodictyon trichocalyx A.Heller | 7 images |
| Eriogonum alatum Torr. | 9 images |
| Eriogonum angulosum Benth. | 22 images |
| Eriogonum annuum Nutt. | 14 images |
| Eriogonum brachyanthum Coville | 2 images |
| Eriogonum brachypodum Torr. & A.Gray | 1 images |
| Eriogonum davidsonii Greene | 2 images |
| Eriogonum deflexum Torr. | 22 images |
| Eriogonum elongatum Benth. | 30 images |
| Eriogonum fasciculatum Benth. | 857 images |
| Eriogonum gracile Benth. | 10 images |
| Eriogonum grande Greene | 46 images |
| Eriogonum hemipterum (Torr. & A.Gray) S.Stokes | 2 images |
| Eriogonum inflatum Torr. | 32 images |
| Eriogonum jamesii Benth. | 12 images |
| Eriogonum maculatum A.Heller | 42 images |
| Eriogonum nudum Douglas ex Benth. | 77 images |
| Eriogonum parishii S.Watson | 2 images |
| Eriogonum roseum Durand & Hilg. | 15 images |
| Eriogonum rotundifolium Benth. | 1 images |
| Eriogonum tenellum Torr. | 4 images |
| Eriogonum thomasii Torr. | 23 images |
| Eriogonum thurberi Torr. | 1 images |
| Eriogonum trichopes Torr. | 14 images |
| Eriogonum wrightii Torr. ex Benth. | 97 images |
| Erioneuron pilosum (Buckley) Nash | 10 images |
| Eriophyllum confertiflorum (DC.) A.Gray | 9 images |
| Eriophyllum lanatum (Pursh) J.Forbes | 58 images |
| Eriophyllum pringlei A.Gray | 7 images |
| Eriosema crinitum (Kunth) G.Don | 59 images |
| Eriosema diffusum (Kunth) G.Don | 10 images |
| Eriosema simplicifolium (DC.) G.Don | 1 images |
| Erioxylum palmeri (Rose) Rose | 6 images |
| Erithalis fruticosa L. | 59 images |
| Ernodea littoralis Sw. | 53 images |
| Erodium botrys (Cav.) Bertol. | 545 images |
| Erodium brachycarpum (Godr.) Thell. | 14 images |
| Erodium cicutarium (L.) L'Hér. | 12885 images |
| Erodium moschatum (L.) L'Hér. | 4498 images |
| Ertela trifolia (L.) Kuntze | 4 images |
| Eruca vesicaria (L.) Cav. | 3961 images |
| Erycina crista-galli (Rchb.f.) N.H.Williams & M.W.Chase | 6 images |
| Erycina hyalinobulbon (Lex.) N.H.Williams & M.W.Chase | 1 images |
| Erycina pusilla (L.) N.H.Williams & M.W.Chase | 12 images |
| Eryngium aristulatum Jeps. | 16 images |
| Eryngium carlinae F.Delaroche | 9 images |
| Eryngium deppeanum Schltdl. & Cham. | 17 images |
| Eryngium foetidum L. | 571 images |
| Eryngium heterophyllum Engelm. | 30 images |
| Eryngium lemmonii J.M.Coult. & Rose | 18 images |
| Eryngium monocephalum Cav. | 3 images |
| Eryngium proteiflorum F.Delaroche | 85 images |
| Eryngium venustum Bartlett ex Constance | 2 images |
| Erysimum asperum (Nutt.) DC. | 96 images |
| Erysimum capitatum (Douglas) Greene | 13 images |
| Erythranthe cardinalis (Douglas ex Benth.) Spach | 169 images |
| Erythranthe floribunda (Lindl.) G.L.Nesom | 9 images |
| Erythranthe glabrata (Kunth) G.L.Nesom | 24 images |
| Erythranthe guttata (DC.) G.L.Nesom | 834 images |
| Erythrina americana Mill. | 42 images |
| Erythrina berteroana Urb. | 17 images |
| Erythrina flabelliformis Kearney | 89 images |
| Erythrina herbacea L. | 299 images |
| Erythrina longipes Moc. & Sessé ex DC. | 1 images |
| Erythrina rubrinervia Kunth | 22 images |
| Erythrostemon acapulcensis (Standl.) Gagnon & G.P.Lewis | 1 images |
| Erythrostemon exostemma (Moc. & Sessé ex DC.) Gagnon & G.P.Lewis | 15 images |
| Erythrostemon gilliesii (Hook.) Klotzsch | 2421 images |
| Erythrostemon mexicanus (Rose) Gagnon & G.P.Lewis | 14 images |
| Erythrostemon palmeri (S.Watson) Gagnon & G.P.Lewis | 1 images |
| Erythroxylum havanense Jacq. | 34 images |
| Erythroxylum macrophyllum Cav. | 80 images |
| Erythroxylum rotundifolium Lunan | 14 images |
| Eschscholzia caespitosa Benth. | 190 images |
| Eschscholzia californica Cham. | 13801 images |
| Eschscholzia parishii Greene | 9 images |
| Eschscholzia ramosa (Greene) Greene | 9 images |
| Escobaria abdita Řepka & Vaško | 3 images |
| Escobaria chihuahuensis Britton & Rose | 4 images |
| Escobaria dasyacantha (Engelm.) Britton & Rose | 1 images |
| Escobaria emskoetteriana (Quehl) Borg | 103 images |
| Escobaria hesteri (Y.Wright) Buxb. | 13 images |
| Escobaria laredoi (Glass & R.A.Foster) N.P.Taylor | 5 images |
| Escobaria lloydii Britton & Rose | 2 images |
| Escobaria missouriensis (Sweet) D.R.Hunt | 14 images |
| Escobaria robbinsiorum (W.H.Earle) D.R.Hunt | 3 images |
| Escobaria sneedii Britton & Rose | 21 images |
| Escobaria tuberculosa (Engelm.) Britton & Rose | 9 images |
| Escobaria vivipara (Nutt.) Buxb. | 87 images |
| Escobaria zilziana (Boed.) Backeb. | 10 images |
| Escobedia grandiflora (L.f.) Kuntze | 9 images |
| Esenbeckia berlandieri Baill. | 25 images |
| Esenbeckia pentaphylla (Macfad.) Griseb. | 40 images |
| Espejoa mexicana DC. | 18 images |
| Eucalyptus camaldulensis Dehnh. | 2459 images |
| Eucalyptus globulus Labill. | 4476 images |
| Eucalyptus tereticornis Sm. | 65 images |
| Eucnide bartonioides Zucc. | 6 images |
| Eucrypta chrysanthemifolia (Benth.) Greene | 102 images |
| Eugenia acapulcensis Steud. | 5 images |
| Eugenia axillaris (Sw.) Willd. | 28 images |
| Eugenia biflora (L.) DC. | 21 images |
| Eugenia cerrocacaoensis Barrie | 4 images |
| Eugenia foetida Pers. | 8 images |
| Eugenia galalonensis (C.Wright ex Griseb.) Krug & Urb. | 16 images |
| Eugenia hypargyrea Standl. | 56 images |
| Eugenia oerstediana O.Berg | 44 images |
| Eugenia rhombea (O.Berg) Krug & Urb. | 5 images |
| Eugenia uniflora L. | 2613 images |
| Eulobus californicus Nutt. | 140 images |
| Eulophia alta (L.) Fawc. & Rendle | 28 images |
| Eulophia maculata (Lindl.) Rchb.f. | 373 images |
| Eumachia microdon (DC.) Delprete & J.H.Kirkbr. | 25 images |
| Eupatoriastrum nelsonii Greenm. | 19 images |
| Eupatorium serotinum Michx. | 910 images |
| Euphorbia albomarginata Torr. & A.Gray | 33 images |
| Euphorbia antisyphilitica Zucc. | 24 images |
| Euphorbia ariensis Kunth | 2 images |
| Euphorbia berteroana Balb. ex Spreng. | 4 images |
| Euphorbia bracteata Jacq. | 46 images |
| Euphorbia ceroderma I.M.Johnst. | 1 images |
| Euphorbia colletioides Benth. | 13 images |
| Euphorbia cotinifolia L. | 731 images |
| Euphorbia davidii Subils | 37 images |
| Euphorbia dentata Michx. | 17 images |
| Euphorbia dioeca Kunth | 10 images |
| Euphorbia fulgens Karw. ex Klotzsch | 59 images |
| Euphorbia glyptosperma Engelm. | 36 images |
| Euphorbia graminea Jacq. | 191 images |
| Euphorbia guiengola W.R.Buck & Huft | 2 images |
| Euphorbia heterophylla L. | 983 images |
| Euphorbia hirta L. | 1075 images |
| Euphorbia hypericifolia L. | 1719 images |
| Euphorbia hyssopifolia L. | 119 images |
| Euphorbia lasiocarpa Klotzsch | 17 images |
| Euphorbia lathyris L. | 8834 images |
| Euphorbia leucocephala Lotsy | 393 images |
| Euphorbia lomelii V.W.Steinm. | 8 images |
| Euphorbia maculata L. | 730 images |
| Euphorbia marginata Pursh | 1356 images |
| Euphorbia mesembryanthemifolia Jacq. | 27 images |
| Euphorbia milii Des Moul. | 10159 images |
| Euphorbia misera Benth. | 5 images |
| Euphorbia nutans Lag. | 361 images |
| Euphorbia ophthalmica Pers. | 9 images |
| Euphorbia parryi Engelm. | 2 images |
| Euphorbia pediculifera Engelm. | 2 images |
| Euphorbia peplus L. | 6564 images |
| Euphorbia polycarpa Benth. | 1 images |
| Euphorbia prostrata Aiton | 1856 images |
| Euphorbia pteroneura A.Berger | 14 images |
| Euphorbia pulcherrima Willd. ex Klotzsch | 7446 images |
| Euphorbia radians Benth. | 1 images |
| Euphorbia schlechtendalii Boiss. | 14 images |
| Euphorbia serpens Kunth | 491 images |
| Euphorbia serrata L. | 3491 images |
| Euphorbia serrula Engelm. | 1 images |
| Euphorbia sinclairiana Benth. | 44 images |
| Euphorbia terracina L. | 630 images |
| Euphorbia thymifolia L. | 58 images |
| Euphorbia tirucalli L. | 2157 images |
| Euphorbia tithymaloides L. | 2073 images |
| Euploca confertifolia (Torr.) Feuillet & Halse | 1 images |
| Euploca convolvulacea Nutt. | 2 images |
| Euploca filiformis (Lehm.) J.I.M.Melo & Semir | 71 images |
| Euploca greggii (Torr.) Halse & Feuillet | 13 images |
| Euploca humilis (L.) Feuillet | 4 images |
| Euploca lagoensis (Warm.) Diane & Hilger | 12 images |
| Euploca procumbens (Mill.) Diane & Hilger | 26 images |
| Euploca torreyi (I.M.Johnst.) Halse & Feuillet | 3 images |
| Eustachys petraea (Sw.) Desv. | 2 images |
| Eustoma exaltatum (L.) Salisb. ex G.Don | 62 images |
| Eustoma russellianum (Hook.) G.Don | 1563 images |
| Euthamia occidentalis Nutt. | 42 images |
| Evolvulus alsinoides (L.) L. | 684 images |
| Evolvulus arizonicus A.Gray | 30 images |
| Evolvulus convolvuloides (Willd. ex Schult.) Stearn | 12 images |
| Evolvulus filipes Mart. | 5 images |
| Evolvulus nummularius (L.) L. | 119 images |
| Evolvulus sericeus Sw. | 68 images |
| Evolvulus tenuis Mart. ex Choisy | 13 images |
| Exostema caribaeum (Jacq.) Schult. | 40 images |
| Exothea paniculata (Juss.) Radlk. | 2 images |
| Extriplex californica (Moq.) E.H.Zacharias | 14 images |
| Eysenhardtia polystachya (Ortega) Sarg. | 18 images |
| Eysenhardtia texana Scheele | 35 images |
| Fagus grandifolia Ehrh. | 2344 images |
| Fallopia aubertii (L.Henry) Holub | 2375 images |
| Fallugia paradoxa (D.Don ex Tilloch & Taylor) Endl. ex Torr. | 24 images |
| Faramea glandulosa Poepp. | 38 images |
| Faramea multiflora A.Rich. ex DC. | 36 images |
| Faramea occidentalis (L.) A.Rich. | 55 images |
| Ferocactus alamosanus (Britton & Rose) Britton & Rose | 9 images |
| Ferocactus chrysacanthus (Orcutt) Britton & Rose | 15 images |
| Ferocactus cylindraceus (Engelm.) Orcutt | 442 images |
| Ferocactus echidne (DC.) Britton & Rose | 15 images |
| Ferocactus emoryi Orcutt | 678 images |
| Ferocactus flavovirens (Scheidw.) Britton & Rose | 4 images |
| Ferocactus fordii (Orcutt) Britton & Rose | 2 images |
| Ferocactus glaucescens (DC.) Britton & Rose | 213 images |
| Ferocactus gracilis H.E.Gates | 23 images |
| Ferocactus haematacanthus (Monv. ex Salm-Dyck) Bravo ex Backeb. & F.M.Knuth | 17 images |
| Ferocactus hamatacanthus (Muehlenpf.) Britton & Rose | 158 images |
| Ferocactus herrerae J.G.Ortega | 242 images |
| Ferocactus histrix (DC.) G.E.Linds. | 59 images |
| Ferocactus johnstonianus Britton & Rose | 1 images |
| Ferocactus latispinus (Haw.) Britton & Rose | 213 images |
| Ferocactus lindsayi Bravo | 9 images |
| Ferocactus macrodiscus (Mart.) Britton & Rose | 47 images |
| Ferocactus mathssonii (A.Berger ex K.Schum.) N.P.Taylor | 1 images |
| Ferocactus peninsulae (F.A.C.Weber) Britton & Rose | 16 images |
| Ferocactus pilosus (Galeotti ex Salm-Dyck) Werderm. | 326 images |
| Ferocactus pottsii (Salm-Dyck) Backeb. | 24 images |
| Ferocactus robustus (Karw. ex Pfeiff.) Britton & Rose | 24 images |
| Ferocactus schwarzii G.E.Linds. | 22 images |
| Ferocactus townsendianus Britton & Rose | 5 images |
| Ferocactus uncinatus (Galeotti) Britton & Rose | 5 images |
| Ferocactus viridescens (Torr. & A.Gray) Britton & Rose | 5 images |
| Ferocactus wislizeni (Engelm.) Britton & Rose | 50 images |
| Festuca arizonica Vasey | 3 images |
| Festuca bromoides L. | 189 images |
| Festuca livida (Kunth) Willd. ex Spreng. | 9 images |
| Festuca microstachys Nutt. | 18 images |
| Festuca myuros L. | 274 images |
| Festuca octoflora Walter | 10 images |
| Festuca ovina L. | 217 images |
| Festuca rubra L. | 326 images |
| Fevillea cordifolia L. | 34 images |
| Ficus americana Aubl. | 113 images |
| Ficus aurea Nutt. | 187 images |
| Ficus carica L. | 14331 images |
| Ficus citrifolia Mill. | 195 images |
| Ficus colubrinae Standl. | 50 images |
| Ficus costaricana (Liebm.) Miq. | 38 images |
| Ficus cotinifolia Kunth | 19 images |
| Ficus crassinervia Desf. ex Willd. | 37 images |
| Ficus crocata (Miq.) Mart. ex Miq. | 14 images |
| Ficus elastica Roxb. ex Hornem. | 6138 images |
| Ficus goldmanii Standl. | 10 images |
| Ficus insipida Willd. | 166 images |
| Ficus maxima Mill. | 68 images |
| Ficus obtusifolia Kunth | 32 images |
| Ficus paraensis (Miq.) Miq. | 16 images |
| Ficus pertusa L.f. | 84 images |
| Ficus petiolaris Kunth | 58 images |
| Ficus popenoei Standl. | 17 images |
| Ficus retusa L. | 1934 images |
| Ficus velutina Humb. & Bonpl. ex Willd. | 37 images |
| Ficus yoponensis Desv. | 11 images |
| Filago californica Nutt. | 1 images |
| Fimbristylis autumnalis (L.) Roem. & Schult. | 287 images |
| Fimbristylis cymosa R.Br. | 17 images |
| Fimbristylis dichotoma (L.) Vahl | 59 images |
| Fimbristylis littoralis Gaudich. | 40 images |
| Fimbristylis vahlii (Lam.) Link | 20 images |
| Flaveria chlorifolia A.Gray | 8 images |
| Flaveria linearis Lag. | 12 images |
| Flaveria trinervia (Spreng.) C.Mohr | 75 images |
| Fleischmannia incarnata (Walter) R.M.King & H.Rob. | 15 images |
| Fleischmannia pratensis (Klatt) R.M.King & H.Rob. | 4 images |
| Fleischmannia pycnocephala (Less.) R.M.King & H.Rob. | 8 images |
| Fleischmannia sonorae (A.Gray) R.M.King & H.Rob. | 1 images |
| Florestina tripteris DC. | 3 images |
| Flourensia cernua DC. | 2 images |
| Flyriella parryi (A.Gray) R.M.King & H.Rob. | 3 images |
| Foeniculum vulgare Mill. | 10870 images |
| Forchhammeria trifoliata Radlk. ex Millsp. | 28 images |
| Forestiera angustifolia Torr. | 11 images |
| Forestiera pubescens Nutt. | 99 images |
| Forsteronia acouci (Aubl.) A.DC. | 4 images |
| Forsteronia myriantha Donn.Sm. | 30 images |
| Forsteronia spicata (Jacq.) G.Mey. | 11 images |
| Fouquieria columnaris (Kellogg) Kellogg ex Curran | 15 images |
| Fouquieria diguetii (Tiegh.) I.M.Johnst. | 19 images |
| Fouquieria fasciculata (Willd. ex Roem. & Schult.) Nash | 4 images |
| Fouquieria formosa Kunth | 3 images |
| Fouquieria macdougalii Nash | 6 images |
| Fouquieria ochoterenae Miranda | 4 images |
| Fouquieria splendens Engelm. | 421 images |
| Fragaria vesca L. | 11397 images |
| Fragaria virginiana Mill. | 356 images |
| Frangula californica (Eschsch.) A.Gray | 53 images |
| Frangula caroliniana (Walter) A.Gray | 90 images |
| Frangula purshiana (DC.) A.Gray ex J.G.Cooper | 11 images |
| Frasera parryi Torr. | 8 images |
| Frasera speciosa Douglas ex Griseb. | 57 images |
| Fraxinus americana L. | 4782 images |
| Fraxinus berlandieriana A.DC. | 1 images |
| Fraxinus cuspidata Torr. | 12 images |
| Fraxinus dipetala Hook. & Arn. | 9 images |
| Fraxinus greggii A.Gray | 1 images |
| Fraxinus uhdei (Wenz.) Lingelsh. | 61 images |
| Fraxinus velutina Torr. | 117 images |
| Fremontodendron californicum (Torr.) Coville | 722 images |
| Fremontodendron mexicanum Davidson | 39 images |
| Freziera candicans Tul. | 1 images |
| Freziera grisebachii Krug & Urb. | 21 images |
| Fridericia candicans (Rich.) L.G.Lohmann | 8 images |
| Fridericia chica (Bonpl.) L.G.Lohmann | 92 images |
| Fridericia costaricensis (Kraenzl.) L.G.Lohmann | 12 images |
| Fridericia florida (DC.) L.G.Lohmann | 13 images |
| Fridericia mollissima (Kunth) L.G.Lohmann | 17 images |
| Fridericia patellifera (Schltdl.) L.G.Lohmann | 21 images |
| Fridericia schumanniana (Loes.) L.G.Lohmann | 30 images |
| Fritillaria biflora Lindl. | 30 images |
| Froelichia floridana (Nutt.) Moq. | 53 images |
| Froelichia gracilis (Hook.) Moq. | 33 images |
| Fuchsia × bacillaris Lindl. | 2 images |
| Fuchsia arborescens Sims | 47 images |
| Fuchsia boliviana Carrière | 671 images |
| Fuchsia fulgens Moc. & Sessé ex DC. | 37 images |
| Fuchsia lycioides Andrews | 6 images |
| Fuchsia magellanica Lam. | 10144 images |
| Fuchsia microphylla Kunth | 131 images |
| Fuchsia paniculata Lindl. | 200 images |
| Fuirena incompleta Nees | 2 images |
| Fuirena simplex Vahl | 8 images |
| Fuirena umbellata Rottb. | 16 images |
| Fumaria officinalis L. | 7590 images |
| Fumaria parviflora Lam. | 537 images |
| Funastrum clausum (Jacq.) Schltr. | 50 images |
| Funastrum crispum (Benth.) Schltr. | 3 images |
| Funastrum cynanchoides (Decne.) Schltr. | 37 images |
| Furcraea cabuya Trel. | 53 images |
| Furcraea longaeva Karw. & Zucc. | 5 images |
| Furcraea parmentieri (Roezl) García-Mend. | 20 images |
| Gaillardia pinnatifida Torr. | 62 images |
| Gaillardia pulchella Foug. | 3233 images |
| Gaillardia suavis (A.Gray & Engelm.) Britton & Rusby | 16 images |
| Galactia argentea Brandegee | 29 images |
| Galactia striata (Jacq.) Urb. | 31 images |
| Galeottia grandiflora A.Rich. | 9 images |
| Galianthe brasiliensis (Spreng.) E.L.Cabral & Bacigalupo | 12 images |
| Galinsoga parviflora Cav. | 3218 images |
| Galinsoga quadriradiata Ruiz & Pav. | 3862 images |
| Galium angustifolium Nutt. | 8 images |
| Galium aparine L. | 12941 images |
| Galium hypocarpium (L.) Endl. ex Griseb. | 56 images |
| Galium mexicanum Kunth | 3 images |
| Galium porrigens Dempster | 48 images |
| Galium stellatum Kellogg | 11 images |
| Galium tinctorium L. | 1 images |
| Galium trifidum L. | 36 images |
| Galium triflorum Michx. | 199 images |
| Galium uncinulatum DC. | 1 images |
| Galphimia glauca Cav. | 376 images |
| Galphimia gracilis Bartl. | 23 images |
| Gambelia speciosa Nutt. | 54 images |
| Gamochaeta americana (Mill.) Wedd. | 277 images |
| Gamochaeta pensylvanica (Willd.) Cabrera | 68 images |
| Gamochaeta purpurea (L.) Cabrera | 79 images |
| Garcia nutans Vahl ex Rohr | 10 images |
| Garcinia intermedia (Pittier) Hammel | 104 images |
| Garcinia macrophylla Mart. | 4 images |
| Garrya flavescens S.Watson | 30 images |
| Garrya laurifolia Benth. | 3 images |
| Garrya ovata Benth. | 26 images |
| Garrya veatchii Kellogg | 15 images |
| Garrya wrightii Torr. | 3 images |
| Gasteria obliqua (Aiton) Duval | 248 images |
| Gastridium ventricosum (Gouan) Schinz & Thell. | 61 images |
| Gaultheria erecta Vent. | 24 images |
| Gaultheria myrsinoides Kunth | 97 images |
| Gaussia gomez-pompae (H.J.Quero) H.J.Quero | 3 images |
| Gaussia maya (O.F.Cook) H.J.Quero & Read | 19 images |
| Gelsemium sempervirens (L.) J.St.-Hil. | 259 images |
| Genipa americana L. | 287 images |
| Genista monspessulana (L.) L.A.S.Johnson | 1106 images |
| Gentiana autumnalis L. | 4 images |
| Gentiana ovatiloba Kusn. | 3 images |
| Gentiana sedifolia Kunth | 60 images |
| Gentianella amarella (L.) Börner | 143 images |
| Gentianopsis macrantha (D.Don ex G.Don) Iltis | 6 images |
| Geohintonia mexicana Glass & W.A.Fitz Maur. | 9 images |
| Geonoma interrupta (Ruiz & Pav.) Mart. | 52 images |
| Geonoma pinnatifrons Willd. | 12 images |
| Geonoma undata Klotzsch | 1 images |
| Geophila macropoda (Ruiz & Pav.) DC. | 17 images |
| Geophila repens (L.) I.M.Johnst. | 57 images |
| Geraea canescens Torr. & A.Gray | 41 images |
| Geranium carolinianum L. | 1284 images |
| Geranium dissectum L. | 5974 images |
| Geranium molle L. | 8727 images |
| Geranium potentillifolium DC. | 8 images |
| Geum aleppicum Jacq. | 246 images |
| Geum canadense Jacq. | 104 images |
| Gibasis geniculata (Jacq.) Rohweder | 308 images |
| Gibasis pellucida (M.Martens & Galeotti) D.R.Hunt | 21 images |
| Gibasis pulchella (Kunth) Raf. | 4 images |
| Gilia nevinii A.Gray | 1 images |
| Gilia sinuata Douglas ex Benth. | 23 images |
| Giliastrum rigidulum (Benth.) Rydb. | 7 images |
| Gladiolus dalenii Van Geel | 526 images |
| Glebionis coronaria (L.) Cass. ex Spach | 5521 images |
| Gleditsia aquatica Marshall | 42 images |
| Gleditsia triacanthos L. | 10852 images |
| Gleichenella pectinata (Willd.) Ching | 58 images |
| Glinus radiatus (Ruiz & Pav.) Rohrb. | 1 images |
| Gliricidia sepium (Jacq.) Kunth | 158 images |
| Glossoloma cucullatum (C.V.Montin) J.L.Clark | 11 images |
| Glossoloma tetragonum Hanst. | 9 images |
| Glyceria fluitans (L.) R.Br. | 163 images |
| Glyceria septentrionalis Hitchc. | 2 images |
| Glyceria striata (Lam.) Hitchc. | 37 images |
| Glycyrrhiza lepidota Pursh | 74 images |
| Gmelina arborea Roxb. ex Sm. | 5 images |
| Gnaphaliothamnus lavandulifolius (Kunth) G.L.Nesom | 16 images |
| Gnaphalium exilifolium A.Nelson | 7 images |
| Gnaphalium palustre Nutt. | 35 images |
| Godmania aesculifolia (Kunth) Standl. | 7 images |
| Goeppertia allouia (Aubl.) Borchs. & S.Suárez | 26 images |
| Goeppertia inocephala (Kuntze) Borchs. & S.Suárez | 13 images |
| Goeppertia micans (L.Mathieu) Borchs. & S.Suárez | 35 images |
| Gomphocarpus physocarpus E.Mey. | 1206 images |
| Gomphrena caespitosa Torr. | 10 images |
| Gomphrena elegans Mart. | 5 images |
| Gomphrena globosa L. | 2748 images |
| Gomphrena haageana Klotzsch | 183 images |
| Gomphrena nitida Rothr. | 5 images |
| Gomphrena pulchella Mart. | 9 images |
| Gomphrena serrata L. | 349 images |
| Gomphrena sonorae Torr. | 2 images |
| Gomphrena vermicularis L. | 75 images |
| Gongora batemanni (Lindl.) Henshall ex Mabb. & Jenny | 2 images |
| Gongora galeata (Lindl. ex Bosse) Rchb.f. | 1 images |
| Gongora leucochila Lem. | 46 images |
| Gongora truncata Lindl. | 5 images |
| Gongora unicolor Schltr. | 7 images |
| Gonolobus fraternus Schltdl. | 1 images |
| Gonolobus grandiflorus (Cav.) Schult. | 7 images |
| Gonolobus stenosepalus (Donn.Sm.) Woodson | 1 images |
| Gonzalagunia hirsuta (Jacq.) K.Schum. | 74 images |
| Gonzalagunia panamensis (Cav.) K.Schum. | 13 images |
| Goodyera oblongifolia Raf. | 196 images |
| Gordonia brenesii (Standl.) Q.Jiménez | 2 images |
| Gossypium aridum (Rose & Standl.) Skovst. | 1 images |
| Gossypium barbadense L. | 106 images |
| Gossypium hirsutum L. | 504 images |
| Gossypium thurberi Tod. | 1 images |
| Gouania lupuloides (L.) Urb. | 34 images |
| Gouania polygama (Jacq.) Urb. | 83 images |
| Gouania velutina Reissek | 41 images |
| Govenia superba (Lex.) Lindl. | 11 images |
| Graffenrieda galeottii (Naudin) L.O.Williams | 51 images |
| Grammitis elastica (Willd.) Christenh. | 5 images |
| Grammitis flabelliformis (Poir.) C.V.Morton | 8 images |
| Grammitis jungermannioides (Klotzsch) Ching | 10 images |
| Grammitis limula (Christ) Lellinger | 3 images |
| Grammitis linearifolia (Desv.) Steud. | 4 images |
| Grammitis moniliformis (Lag.) Proctor | 7 images |
| Grammitis parietina (Klotzsch) Fée | 5 images |
| Grammitis serrulata (Sw.) Sw. | 22 images |
| Grammitis taenifolia (Jenman) Proctor | 3 images |
| Grammitis trichosora (Hook.) Ching | 4 images |
| Grammitis xiphopteroides (Liebm.) A.R.Sm. | 14 images |
| Graptopetalum amethystinum (Rose) E.Walther | 335 images |
| Graptopetalum bellum (Moran & J.Meyrán) D.R.Hunt | 42 images |
| Graptopetalum filiferum (S.Watson) Whitehead | 29 images |
| Graptopetalum fruticosum Moran | 5 images |
| Graptopetalum glassii Acev.-Rosas & Cházaro | 3 images |
| Graptopetalum macdougallii Alexander | 963 images |
| Graptopetalum pachyphyllum Rose | 14 images |
| Graptopetalum paraguayense (N.E.Br.) E.Walther | 7461 images |
| Graptopetalum pentandrum Moran | 26 images |
| Graptopetalum pusillum Rose | 2 images |
| Graptopetalum rusbyi (Greene) Rose | 45 images |
| Graptopetalum saxifragoides Kimnach | 5 images |
| Graptopetalum superbum (Kimnach) Acev.-Rosas | 921 images |
| Gratiola virginiana L. | 8 images |
| Grevillea banksii R.Br. | 844 images |
| Grevillea robusta A.Cunn. ex R.Br. | 2846 images |
| Grindelia arizonica A.Gray | 3 images |
| Grindelia grandiflora Hook. | 3 images |
| Grindelia hirsutula Hook. & Arn. | 111 images |
| Grindelia lanceolata Nutt. | 41 images |
| Grindelia nuda Alph.Wood | 1 images |
| Grindelia scabra Greene | 3 images |
| Grindelia squarrosa (Pursh) Dunal | 298 images |
| Grona adscendens (Sw.) H.Ohashi & K.Ohashi | 136 images |
| Grona barbata (L.) H.Ohashi & K.Ohashi | 50 images |
| Grona triflora (L.) H.Ohashi & K.Ohashi | 345 images |
| Gronovia scandens L. | 14 images |
| Grusonia bulbispina (Engelm.) H.Rob. | 7 images |
| Grusonia emoryi (Engelm.) Pinkava | 2 images |
| Grusonia invicta (Brandegee) E.F.Anderson | 11 images |
| Grusonia kunzei (Rose) Pinkava | 3 images |
| Grusonia schottii (Engelm.) H.Rob. | 6 images |
| Grusonia vilis (Rose) H.Rob. | 3 images |
| Guadua aculeata E.Fourn. | 3 images |
| Guadua amplexifolia J.Presl | 2 images |
| Guadua paniculata Munro | 7 images |
| Guadua velutina Londoño & L.G.Clark | 7 images |
| Guaiacum sanctum L. | 154 images |
| Guapira costaricana (Standl.) Woodson | 5 images |
| Guarea bullata Radlk. | 52 images |
| Guarea glabra Vahl | 20 images |
| Guarianthe × laelioides (Lem.) Van den Berg | 4 images |
| Guarianthe aurantiaca (Bateman ex Lindl.) Dressler & W.E.Higgins | 48 images |
| Guarianthe bowringiana (O'Brien) Dressler & W.E.Higgins | 31 images |
| Guarianthe skinneri (Bateman) Dressler & W.E.Higgins | 269 images |
| Guatteria amplifolia Triana & Planch. | 47 images |
| Guatteria dolichopoda Donn.Sm. | 80 images |
| Guazuma invira (Willd.) G.Don | 33 images |
| Guazuma ulmifolia Lam. | 368 images |
| Guettarda combsii Urb. | 60 images |
| Guettarda deamii Standl. | 3 images |
| Guettarda elliptica Sw. | 1 images |
| Guettarda macrosperma Donn.Sm. | 46 images |
| Guilandina bonduc L. | 304 images |
| Guilleminea densa (Willd. ex Schult.) Moq. | 38 images |
| Guilleminea lanuginosa (Poir.) Benth. & Hook.f. | 3 images |
| Gurania makoyana (Lem.) Cogn. | 120 images |
| Gutierrezia californica (DC.) Torr. & A.Gray | 17 images |
| Gutierrezia microcephala (DC.) A.Gray | 20 images |
| Gutierrezia sarothrae (Pursh) Britton & Rusby | 69 images |
| Gutierrezia sphaerocephala A.Gray | 2 images |
| Gutierrezia texana (DC.) Torr. & A.Gray | 2 images |
| Gutierrezia wrightii A.Gray | 2 images |
| Guzmania lingulata (L.) Mez | 453 images |
| Guzmania nicaraguensis Mez & C.F.Baker | 6 images |
| Gyminda tonduzii Loes. | 5 images |
| Gymnanthes lucida Sw. | 12 images |
| Gymnanthes riparia (Schltdl.) Klotzsch | 54 images |
| Gymnosiphon divaricatus (Benth.) Benth. & Hook.f. | 1 images |
| Gymnosphaera salvinii (Hook.) S.Y.Dong | 2 images |
| Gynerium sagittatum (Aubl.) P.Beauv. | 18 images |
| Gyrocarpus americanus Jacq. | 13 images |
| Gyrocarpus jatrophifolius Domin | 34 images |
| Habenaria alata Hook. | 19 images |
| Habenaria cuevasiana R.González & Cuevas-Figueroa | 2 images |
| Habenaria monorrhiza (Sw.) Rchb.f. | 10 images |
| Habenaria quinqueseta (Michx.) Eaton | 2 images |
| Habenaria repens Nutt. | 10 images |
| Habenaria strictissima Rchb.f. | 11 images |
| Habenaria trifida Kunth | 4 images |
| Hackelia pinetorum (Greene ex A.Gray) I.M.Johnst. | 3 images |
| Hackelochloa granularis (L.) Kuntze | 9 images |
| Haematoxylum brasiletto H.Karst. | 25 images |
| Haematoxylum campechianum L. | 160 images |
| Halenia pringlei B.L.Rob. & Seaton | 2 images |
| Halerpestes cymbalaria (Pursh) Greene | 11 images |
| Halodule wrightii Asch. | 3 images |
| Halophila decipiens Ostenf. | 2 images |
| Hamamelis virginiana L. | 2883 images |
| Hamelia axillaris Sw. | 14 images |
| Hamelia patens Jacq. | 1057 images |
| Handroanthus chrysanthus (Jacq.) S.O.Grose | 193 images |
| Handroanthus guayacan (Seem.) S.O.Grose | 27 images |
| Handroanthus impetiginosus (Mart. ex DC.) Mattos | 253 images |
| Haploesthes greggii A.Gray | 2 images |
| Haplophyton crooksii (L.D.Benson) L.D.Benson | 9 images |
| Hasseltia guatemalensis Warb. | 5 images |
| Hasseltiopsis dioica (Benth.) Sleumer | 14 images |
| Hauya elegans Moc. & Sessé ex DC. | 5 images |
| Havardia campylacantha (L.Rico & M.Sousa) Barneby & J.W.Grimes | 9 images |
| Havardia platyloba (Bertero ex DC.) Britton & Rose | 7 images |
| Haworthia turgida Haw. | 30 images |
| Haworthiopsis attenuata (Haw.) G.D.Rowley | 3027 images |
| Haworthiopsis coarctata (Haw.) G.D.Rowley | 609 images |
| Hazardia orcuttii Greene | 7 images |
| Hazardia squarrosa (Hook. & Arn.) Greene | 12 images |
| Hebecarpa costaricensis (Chodat) J.R.Abbott & J.F.B.Pastore | 1 images |
| Hebeclinium macrophyllum (L.) DC. | 23 images |
| Hechtia caerulea (Matuda) L.B.Sm. | 4 images |
| Hechtia caudata L.B.Sm. | 1 images |
| Hechtia epigyna Harms | 21 images |
| Hechtia glomerata Zucc. | 24 images |
| Hechtia guatemalensis Mez | 1 images |
| Hechtia liebmannii Mez | 2 images |
| Hechtia marnier-lapostollei L.B.Sm. | 8 images |
| Hechtia rosea É.Morren ex Baker | 4 images |
| Hechtia stenopetala Klotzsch | 5 images |
| Hechtia texensis S.Watson | 6 images |
| Hechtia tillandsioides (André) L.B.Sm. | 5 images |
| Hecistopteris pumila (Spreng. ex Kunze) J.Sm. | 4 images |
| Hedeoma acinoides Scheele | 5 images |
| Hedeoma drummondii Benth. | 6 images |
| Hedeoma nana (Torr.) Briq. | 11 images |
| Hedychium coronarium J.Koenig | 1200 images |
| Heimia salicifolia Link | 22 images |
| Heisteria acuminata (Bonpl.) Engl. | 9 images |
| Heisteria macrophylla Oerst. | 16 images |
| Heisteria povedae Q.Jiménez & S.Knapp | 19 images |
| Helanthium bolivianum (Rusby) Lehtonen & Myllys | 1 images |
| Helanthium tenellum (Mart. ex Schult.f.) J.G.Sm. | 3 images |
| Helenium amarum (Raf.) H.Rock | 388 images |
| Helenium microcephalum DC. | 18 images |
| Helenium puberulum DC. | 85 images |
| Helianthus annuus L. | 15361 images |
| Helianthus californicus DC. | 27 images |
| Helianthus ciliaris DC. | 17 images |
| Helianthus gracilentus A.Gray | 14 images |
| Helianthus hirsutus Raf. | 78 images |
| Helianthus laciniatus A.Gray | 11 images |
| Helianthus maximiliani Schrad. | 480 images |
| Helianthus niveus (Benth.) Brandegee | 56 images |
| Helianthus paradoxus Heiser | 5 images |
| Helianthus petiolaris Nutt. | 585 images |
| Heliconia aurantiaca Verschaff. | 1 images |
| Heliconia bihai (L.) L. | 754 images |
| Heliconia bourgaeana Petersen | 2 images |
| Heliconia collinsiana Griggs | 71 images |
| Heliconia latispatha Benth. | 365 images |
| Heliconia mathiasiae G.S.Daniels & F.G.Stiles | 23 images |
| Heliconia psittacorum L.f. | 2077 images |
| Heliconia rostrata Ruiz & Pav. | 1880 images |
| Heliconia subulata Ruiz & Pav. | 13 images |
| Heliconia tortuosa Griggs | 23 images |
| Heliconia wagneriana Petersen | 166 images |
| Helicotropis linearis (Kunth) A.Delgado | 1 images |
| Helicteres baruensis Jacq. | 27 images |
| Helicteres guazumifolia Kunth | 37 images |
| Heliocarpus americanus L. | 60 images |
| Heliocarpus appendiculatus Turcz. | 54 images |
| Heliomeris longifolia Cockerell | 6 images |
| Heliomeris multiflora Nutt. | 54 images |
| Heliopsis buphthalmoides (Jacq.) Dunal | 14 images |
| Heliopsis parvifolia A.Gray | 15 images |
| Heliotropium angiospermum Murray | 171 images |
| Heliotropium curassavicum L. | 657 images |
| Heliotropium cuspidatum (Kunth) Feuillet | 7 images |
| Heliotropium glabrum (L.) Feuillet | 27 images |
| Heliotropium indicum L. | 561 images |
| Heliotropium molle (Torr.) I.M.Johnst. | 3 images |
| Heliotropium petiolare (A.DC.) Govaerts | 2 images |
| Heliotropium transalpinum Vell. | 9 images |
| Heliotropium verdcourtii Craven | 60 images |
| Hellenia speciosa (J.Koenig) S.R.Dutta | 699 images |
| Helosis cayennensis (Sw.) Spreng. | 33 images |
| Hemarthria altissima (Poir.) Stapf & C.E.Hubb. | 17 images |
| Hemerocallis fulva (L.) L. | 9959 images |
| Hemerocallis lilioasphodelus L. | 5418 images |
| Hemichaena fruticosa Benth. | 2 images |
| Hemionitis aemula (Maxon) Christenh. | 1 images |
| Hemionitis aschenborniana (Klotzsch) Christenh. | 6 images |
| Hemionitis atropurpurea (L.) Christenh. | 45 images |
| Hemionitis bonariensis (Willd.) Christenh. | 14 images |
| Hemionitis californica (Hook.) Christenh. | 1 images |
| Hemionitis concolor (Langsd. & Fisch.) Christenh. | 39 images |
| Hemionitis covillei (Maxon) Christenh. | 1 images |
| Hemionitis eatonii (Baker) Christenh. | 2 images |
| Hemionitis fantastica Christenh. | 12 images |
| Hemionitis farinosa (Forssk.) Christenh. | 10 images |
| Hemionitis feei (T.Moore) Christenh. | 2 images |
| Hemionitis greggii (Mett.) Christenh. | 1 images |
| Hemionitis incana (C.Presl) Christenh. | 3 images |
| Hemionitis intramarginalis (Kaulf. ex Link) Christenh. | 7 images |
| Hemionitis lemmonii (D.C.Eaton) Christenh. | 2 images |
| Hemionitis lendigera (Cav.) Christenh. | 7 images |
| Hemionitis leucopoda (Link) Christenh. | 5 images |
| Hemionitis limitanea (Maxon) Christenh. | 1 images |
| Hemionitis lindheimeri (Hook.) Christenh. | 3 images |
| Hemionitis membranacea (Davenp.) Christenh. | 5 images |
| Hemionitis microphylla (Sw.) Christenh. | 2 images |
| Hemionitis myriophylla (Desv.) Christenh. | 12 images |
| Hemionitis neglecta (Maxon) Christenh. | 2 images |
| Hemionitis ovata (Desv.) Christenh. | 31 images |
| Hemionitis palmata L. | 14 images |
| Hemionitis parryi (D.C.Eaton) Christenh. | 19 images |
| Hemionitis radiata (L.) Christenh. | 9 images |
| Hemionitis rufa (L.) Sw. | 4 images |
| Hemionitis sinuata (Lag.) Christenh. | 15 images |
| Hemionitis ternifolia (Cav.) Christenh. | 34 images |
| Hemionitis triangularis (Kaulf.) Christenh. | 1 images |
| Hemionitis vooshvazool Christenh. | 1 images |
| Hemionitis wrightiana (Hook.) Christenh. | 2 images |
| Henriettea fascicularis (Sw.) M.Gómez | 8 images |
| Henriettea seemannii (Naudin) L.O.Williams | 5 images |
| Henriettea succosa DC. | 24 images |
| Henrya insularis Nees | 10 images |
| Herissantia crispa (L.) Brizicky | 33 images |
| Hermannia pauciflora S.Watson | 3 images |
| Hermannia texana A.Gray | 2 images |
| Hernandia didymantha Donn.Sm. | 33 images |
| Hernandia sonora L. | 26 images |
| Hernandia stenura Standl. | 32 images |
| Herniaria cinerea DC. | 21 images |
| Hesperaloe funifera (K.Koch) Trel. | 4 images |
| Hesperaloe parviflora (Torr.) J.M.Coult. | 338 images |
| Hesperocallis undulata A.Gray | 68 images |
| Hesperocnide tenella Torr. | 15 images |
| Hesperocyparis arizonica (Greene) Bartel | 5077 images |
| Hesperocyparis benthamii (Endl.) Bartel | 3 images |
| Hesperocyparis forbesii (Jeps.) Bartel | 1 images |
| Hesperocyparis guadalupensis (S.Watson) Bartel | 34 images |
| Hesperocyparis lusitanica (Mill.) Bartel | 1147 images |
| Hesperoyucca whipplei (Torr.) Trel. | 86 images |
| Heteranthera dubia (Jacq.) MacMill. | 24 images |
| Heteranthera limosa (Sw.) Willd. | 45 images |
| Heteranthera reniformis Ruiz & Pav. | 110 images |
| Heterocentron suffruticosum Brandegee | 4 images |
| Heteropogon contortus (L.) P.Beauv. ex Roem. & Schult. | 105 images |
| Heteropterys brachiata (L.) DC. | 26 images |
| Heteropterys laurifolia (L.) A.Juss. | 34 images |
| Heteropterys macrostachya A.Juss. | 23 images |
| Heteropterys orinocensis (Kunth) A.Juss. | 1 images |
| Heteropterys panamensis Cuatrec. & Croat | 66 images |
| Heterosperma pinnatum Cav. | 7 images |
| Heterotheca rutteri (Rothr.) Shinners | 1 images |
| Heterotheca sessiliflora (Nutt.) Shinners | 60 images |
| Heterotheca subaxillaris (Lam.) Britton & Rusby | 284 images |
| Heterotheca viscida (A.Gray) V.L.Harms | 8 images |
| Heuchera parvifolia Nutt. | 5 images |
| Heuchera rubescens Torr. | 84 images |
| Heuchera sanguinea Engelm. | 6880 images |
| Hevea brasiliensis (Willd. ex A.Juss.) Müll.Arg. | 232 images |
| Hexasepalum sarmentosum (Sw.) Delprete & J.H.Kirkbr. | 14 images |
| Hexasepalum teres (Walter) J.H.Kirkbr. | 108 images |
| Hibiscus bifurcatus Cav. | 5 images |
| Hibiscus coulteri Harv. ex A.Gray | 6 images |
| Hibiscus denudatus Benth. | 46 images |
| Hibiscus diversifolius Jacq. | 7 images |
| Hibiscus furcellatus Desr. | 9 images |
| Hibiscus martianus Zucc. | 43 images |
| Hibiscus moscheutos L. | 4733 images |
| Hibiscus phoeniceus Jacq. | 16 images |
| Hibiscus poeppigii (Spreng.) Garcke | 8 images |
| Hibiscus radiatus Cav. | 7 images |
| Hibiscus rosa-sinensis L. | 20779 images |
| Hibiscus sabdariffa L. | 993 images |
| Hibiscus schizopetalus (Mast.) Hook.f. | 175 images |
| Hibiscus sororius L. | 1 images |
| Hibiscus striatus Cav. | 27 images |
| Hibiscus syriacus L. | 24233 images |
| Hibiscus tiliaceus L. | 1336 images |
| Hieracium albiflorum Hook. | 187 images |
| Hieracium fendleri Sch.Bip. | 1 images |
| Hieronyma alchorneoides Allemão | 50 images |
| Hieronyma oblonga (Tul.) Müll.Arg. | 48 images |
| Hilaria rigida (Thurb.) Benth. ex Scribn. | 7 images |
| Hillia triflora (Oerst.) C.M.Taylor | 13 images |
| Hippeastrum puniceum (Lam.) Voss | 669 images |
| Hippobroma longiflora (L.) G.Don | 832 images |
| Hippocratea volubilis L. | 78 images |
| Hippomane mancinella L. | 190 images |
| Hippuris vulgaris L. | 491 images |
| Hiraea fagifolia (DC.) A.Juss. | 34 images |
| Hiraea reclinata Jacq. | 4 images |
| Hiraea smilacina Standl. | 17 images |
| Hirschfeldia incana (L.) Lagr.-Foss. | 2229 images |
| Hirtella americana L. | 6 images |
| Hirtella racemosa Lam. | 90 images |
| Hirtella triandra Sw. | 59 images |
| Histiopteris incisa (Thunb.) J.Sm. | 44 images |
| Hoffmannia bullata L.O.Williams | 4 images |
| Hoffmannia discolor (Lem.) Hemsl. | 21 images |
| Hoffmannia ghiesbreghtii (Lem.) Hemsl. | 5 images |
| Hoffmannia nicotianifolia (M.Martens & Galeotti) L.O.Williams | 23 images |
| Hoffmannia psychotriifolia (Benth.) Griseb. | 9 images |
| Hoffmannia regalis (Linden ex J.Dix) Hemsl. | 4 images |
| Hoffmannseggia glauca (Ortega) Eifert | 102 images |
| Hoffmannseggia microphylla Torr. | 31 images |
| Hofmeisteria schaffneri (A.Gray) R.M.King & H.Rob. | 6 images |
| Hoita orbicularis (Lindl.) Rydb. | 4 images |
| Holcus lanatus L. | 5622 images |
| Holmskioldia sanguinea Retz. | 509 images |
| Holocarpha virgata (A.Gray) D.D.Keck | 17 images |
| Holodiscus discolor (Pursh) Maxim. | 669 images |
| Homalium racemosum Jacq. | 13 images |
| Homolepis aturensis (Kunth) Chase | 14 images |
| Hooveria parviflora (S.Watson) D.W.Taylor & D.J.Keil | 5 images |
| Hopia obtusa (Kunth) Zuloaga & Morrone | 1 images |
| Hordeum brachyantherum Nevski | 20 images |
| Hordeum jubatum L. | 487 images |
| Hordeum marinum Huds. | 277 images |
| Hordeum murinum L. | 6881 images |
| Hordeum pusillum Nutt. | 56 images |
| Hordeum vulgare L. | 8576 images |
| Hornungia procumbens (L.) Hayek | 98 images |
| Horsfordia newberryi (S.Watson) A.Gray | 33 images |
| Hosackia oblongifolia Benth. | 8 images |
| Houstonia rubra Cav. | 19 images |
| Hulsea vestita A.Gray | 34 images |
| Hunnemannia fumariifolia Sweet | 63 images |
| Hunzikeria texana (Torr.) D'Arcy | 4 images |
| Huperzia crassa (Humb. & Bonpl. ex Willd.) Rothm. | 35 images |
| Huperzia dichotoma (Jacq.) Trevis. | 2 images |
| Huperzia linifolia (L.) Trevis. | 12 images |
| Huperzia serrata (Thunb.) Trevis. | 8 images |
| Huperzia taxifolia (Sw.) Trevis. | 3 images |
| Hura polyandra Baill. | 7 images |
| Hyacinthus orientalis L. | 10206 images |
| Hybanthus galeottii (Turcz.) C.V.Morton | 10 images |
| Hybanthus yucatanensis Millsp. | 3 images |
| Hydrangea macrophylla (Thunb.) Ser. | 20642 images |
| Hydrangea seemannii L.Riley | 16 images |
| Hydrilla verticillata (L.f.) Royle | 6 images |
| Hydrocharis laevigata (Humb. & Bonpl. ex Willd.) Byng & Christenh. | 32 images |
| Hydrocotyle bonariensis Comm. ex Lam. | 165 images |
| Hydrocotyle leucocephala Cham. & Schltdl. | 91 images |
| Hydrocotyle ranunculoides L.f. | 198 images |
| Hydrocotyle umbellata L. | 58 images |
| Hydrocotyle verticillata Thunb. | 596 images |
| Hydrolea ovata Nutt. | 54 images |
| Hydrolea spinosa L. | 37 images |
| Hygrophila corymbosa (Blume) Lindau | 28 images |
| Hygrophila costata Nees | 44 images |
| Hygrophila polysperma (Roxb.) T.Anderson | 43 images |
| Hylodesmum glutinosum (Muhl. ex Willd.) H.Ohashi & R.R.Mill | 74 images |
| Hymenachne amplexicaulis (Rudge) Nees | 42 images |
| Hymenachne grandis (Hitchc. & Chase) Zuloaga | 22 images |
| Hymenaea courbaril L. | 389 images |
| Hymenasplenium riparium (Liebm.) L.Regalado & Prada | 6 images |
| Hymenocallis harrisiana Herb. | 9 images |
| Hymenocallis littoralis (Jacq.) Salisb. | 1684 images |
| Hymenopappus artemisiifolius DC. | 65 images |
| Hymenopappus filifolius Hook. | 55 images |
| Hymenopappus scabiosaeus L'Hér. | 9 images |
| Hymenophyllum fucoides (Sw.) Sw. | 9 images |
| Hymenophyllum hirsutum (L.) Sw. | 15 images |
| Hymenophyllum maxonii Christ ex C.V.Morton | 4 images |
| Hymenophyllum polyanthos (Sw.) Sw. | 38 images |
| Hymenophyllum tunbrigense (L.) Sm. | 124 images |
| Hymenothrix wislizeni A.Gray | 4 images |
| Hymenothrix wrightii A.Gray | 15 images |
| Hymenoxys integrifolia (Kunth) Bierner | 3 images |
| Hymenoxys odorata DC. | 14 images |
| Hyparrhenia hirta (L.) Stapf | 896 images |
| Hyparrhenia rufa (Nees) Stapf | 24 images |
| Hyperbaena winzerlingii Standl. | 1 images |
| Hypericum × inodorum Mill. | 398 images |
| Hypericum hypericoides (L.) Crantz | 249 images |
| Hypericum mutilum L. | 112 images |
| Hypericum scouleri Hook. | 43 images |
| Hypoestes phyllostachya Baker | 5171 images |
| Hypolepis repens (L.) C.Presl | 7 images |
| Hypolepis rugosula (Labill.) J.Sm. | 4 images |
| Hypolytrum longifolium (Rich.) Nees | 1 images |
| Hypoxis decumbens L. | 85 images |
| Hypoxis hirsuta (L.) Coville | 285 images |
| Hyptis atrorubens Poit. | 47 images |
| Hyptis brevipes Poit. | 35 images |
| Hyptis capitata Jacq. | 87 images |
| Hyptis conferta Pohl ex Benth. | 18 images |
| Hyptis lantanifolia Poit. | 23 images |
| Hyptis recurvata Poit. | 2 images |
| Hyptis sinuata Pohl ex Benth. | 11 images |
| Ibervillea hypoleuca (Standl.) C.Jeffrey | 1 images |
| Ibervillea lindheimeri (A.Gray) Greene | 3 images |
| Ibervillea tenuisecta (A.Gray) Small | 7 images |
| Ichnanthus calvescens (Nees ex Trin.) Döll | 4 images |
| Ichnanthus nemorosus (Sw.) Döll | 11 images |
| Ichnanthus pallens (Sw.) Munro ex Benth. | 13 images |
| Ichnanthus panicoides P.Beauv. | 1 images |
| Ilex cassine L. | 113 images |
| Ilex costaricensis Donn.Sm. | 18 images |
| Ilex decidua Walter | 323 images |
| Ilex guianensis (Aubl.) Kuntze | 21 images |
| Ilex rubra S.Watson | 2 images |
| Ilex socorroensis Brandegee | 2 images |
| Ilex vomitoria Aiton | 765 images |
| Illicium floridanum J.Ellis | 7 images |
| Impatiens balsamina L. | 2294 images |
| Impatiens capensis Meerb. | 2243 images |
| Impatiens walleriana Hook.f. | 5149 images |
| Imperata brasiliensis Trin. | 1 images |
| Imperata cylindrica (L.) Raeusch. | 620 images |
| Indigofera hirsuta L. | 185 images |
| Indigofera lespedezioides Kunth | 40 images |
| Indigofera miniata Ortega | 78 images |
| Indigofera suffruticosa Mill. | 77 images |
| Indigofera tinctoria L. | 303 images |
| Inga acrocephala Steud. | 43 images |
| Inga affinis DC. | 13 images |
| Inga alba (Sw.) Willd. | 165 images |
| Inga densiflora Benth. | 71 images |
| Inga laevigata M.Martens & Galeotti | 82 images |
| Inga laurina (Sw.) Willd. | 245 images |
| Inga marginata Willd. | 112 images |
| Inga nobilis Willd. | 48 images |
| Inga oerstediana Benth. | 43 images |
| Inga paterno Harms | 3 images |
| Inga punctata Willd. | 77 images |
| Inga sapindoides Willd. | 66 images |
| Inga spectabilis (Vahl) Willd. | 61 images |
| Inga thibaudiana DC. | 98 images |
| Inga vera Willd. | 168 images |
| Iochroma arborescens (L.) J.M.H.Shaw | 218 images |
| Ionopsis satyrioides (Sw.) Rchb.f. | 7 images |
| Ionopsis utricularioides (Sw.) Lindl. | 86 images |
| Ipomoea alba L. | 599 images |
| Ipomoea arborescens (Humb. & Bonpl. ex Willd.) G.Don | 42 images |
| Ipomoea asarifolia (Desr.) Roem. & Schult. | 144 images |
| Ipomoea batatas (L.) Lam. | 3862 images |
| Ipomoea batatoides Choisy | 15 images |
| Ipomoea bracteata Cav. | 2 images |
| Ipomoea cairica (L.) Sweet | 1481 images |
| Ipomoea capillacea (Kunth) G.Don | 20 images |
| Ipomoea carnea Jacq. | 925 images |
| Ipomoea cholulensis Kunth | 1 images |
| Ipomoea conzattii Greenm. | 1 images |
| Ipomoea cordatotriloba Dennst. | 416 images |
| Ipomoea corymbosa (L.) Roth | 28 images |
| Ipomoea costellata Torr. | 9 images |
| Ipomoea cristulata Hallier f. | 50 images |
| Ipomoea dumetorum Willd. | 4 images |
| Ipomoea hederacea Jacq. | 503 images |
| Ipomoea hederifolia L. | 710 images |
| Ipomoea heptaphylla Sweet | 40 images |
| Ipomoea imperati (Vahl) Griseb. | 238 images |
| Ipomoea indica (Burm.) Merr. | 4255 images |
| Ipomoea intrapilosa Rose | 4 images |
| Ipomoea lindheimeri A.Gray | 24 images |
| Ipomoea lobata (Cerv.) Thell. | 618 images |
| Ipomoea longifolia Benth. | 15 images |
| Ipomoea meyeri (Spreng.) G.Don | 1 images |
| Ipomoea muricata (L.) Jacq. | 5 images |
| Ipomoea murucoides Roem. & Schult. | 12 images |
| Ipomoea neei (Spreng.) O'Donell | 2 images |
| Ipomoea nil (L.) Roth | 498 images |
| Ipomoea orizabensis (G.Pelletan) Ledeb. ex Steud. | 3 images |
| Ipomoea pauciflora M.Martens & Galeotti | 4 images |
| Ipomoea pes-caprae (L.) R.Br. | 291 images |
| Ipomoea philomega (Vell.) House | 55 images |
| Ipomoea plummerae A.Gray | 20 images |
| Ipomoea pubescens Lam. | 19 images |
| Ipomoea purpurea (L.) Roth | 7531 images |
| Ipomoea quamoclit L. | 682 images |
| Ipomoea ramosissima (Poir.) Choisy | 5 images |
| Ipomoea rubens Choisy | 9 images |
| Ipomoea sagittata Poir. | 157 images |
| Ipomoea setifera Poir. | 59 images |
| Ipomoea setosa Ker Gawl. | 4 images |
| Ipomoea squamosa Choisy | 10 images |
| Ipomoea tenuiloba Torr. | 14 images |
| Ipomoea ternifolia Cav. | 23 images |
| Ipomoea tiliacea (Willd.) Choisy | 119 images |
| Ipomoea tricolor Cav. | 563 images |
| Ipomoea trifida (Kunth) G.Don | 56 images |
| Ipomoea triloba L. | 272 images |
| Ipomoea violacea L. | 21 images |
| Ipomopsis aggregata (Pursh) V.E.Grant | 1 images |
| Ipomopsis longiflora (Torr.) V.E.Grant | 5 images |
| Ipomopsis macombii (Torr. ex A.Gray) V.E.Grant | 12 images |
| Iresine diffusa Humb. & Bonpl. ex Willd. | 3047 images |
| Iresine rhizomatosa Standl. | 2 images |
| Iris missouriensis Nutt. | 101 images |
| Isachne arundinacea (Sw.) Griseb. | 13 images |
| Isachne polygonoides (Lam.) Döll | 13 images |
| Ischaemum latifolium (Spreng.) Kunth | 4 images |
| Ischaemum rugosum Salisb. | 1 images |
| Isocarpha oppositifolia (L.) Cass. | 27 images |
| Isochilus carnosiflorus Lindl. | 12 images |
| Isochilus linearis (Jacq.) R.Br. | 9 images |
| Isocoma acradenia (Greene) Greene | 22 images |
| Isolatocereus dumortieri (Scheidw.) Backeb. | 36 images |
| Isolepis cernua (Vahl) Roem. & Schult. | 106 images |
| Itzaea sericea (Standl.) Standl. & Steyerm. | 20 images |
| Iva annua L. | 116 images |
| Iva asperifolia Less. | 6 images |
| Iva hayesiana A.Gray | 17 images |
| Ixophorus unisetus (J.Presl) Schltdl. | 28 images |
| Ixora coccinea L. | 4323 images |
| Jacaranda mimosifolia D.Don | 6987 images |
| Jacaratia dolichaula (Donn.Sm.) Woodson | 66 images |
| Jacquemontia evolvuloides (Moric.) Meisn. | 8 images |
| Jacquemontia gabrielii (Choisy) Buril | 12 images |
| Jacquemontia havanensis (Jacq.) Urb. | 3 images |
| Jacquemontia mexicana (Loes.) Standl. | 7 images |
| Jacquemontia nodiflora (Desr.) G.Don | 16 images |
| Jacquemontia pentanthos (Jacq.) G.Don | 160 images |
| Jacquemontia tamnifolia (L.) Griseb. | 166 images |
| Jacquiniella cobanensis (Ames & Schltr.) Dressler | 1 images |
| Jacquiniella equitantifolia (Ames) Dressler | 2 images |
| Jacquiniella globosa (Jacq.) Schltr. | 21 images |
| Jacquiniella teretifolia (Sw.) Britton & P.Wilson | 10 images |
| Jaegeria hirta (Lag.) Less. | 25 images |
| Jaltomata procumbens (Cav.) J.L.Gentry | 9 images |
| Jamesia americana Torr. & A.Gray | 20 images |
| Janusia gracilis A.Gray | 6 images |
| Jarava ichu Ruiz & Pav. | 8 images |
| Jasminum fluminense Vell. | 299 images |
| Jasminum grandiflorum L. | 1474 images |
| Jasminum mesnyi Hance | 2098 images |
| Jasminum multiflorum (Burm.f.) Andrews | 171 images |
| Jasminum sambac (L.) Aiton | 2039 images |
| Jatropha cathartica Terán & Berland. | 2 images |
| Jatropha cuneata Wiggins & Rollins | 8 images |
| Jatropha curcas L. | 595 images |
| Jatropha dioica Sessé | 10 images |
| Jatropha gaumeri Greenm. | 2 images |
| Jatropha gossypiifolia L. | 878 images |
| Jatropha macrorhiza Benth. | 5 images |
| Jatropha multifida L. | 893 images |
| Jatropha podagrica Hook. | 1273 images |
| Jaumea carnosa A.Gray | 23 images |
| Jepsonia malvifolia (Greene) Small | 10 images |
| Jepsonia parryi (Torr.) Small | 27 images |
| Johnstonella angustifolia (Torr.) Hasenstab & M.G.Simpson | 3 images |
| Jouvea pilosa (J.Presl) Scribn. | 16 images |
| Juanulloa mexicana (Schltdl.) Miers | 102 images |
| Juglans major (Torr.) A.Heller | 55 images |
| Juglans microcarpa Berland. | 11 images |
| Juglans pyriformis Liebm. | 21 images |
| Juglans regia L. | 18466 images |
| Juncus acutus L. | 1076 images |
| Juncus articulatus L. | 685 images |
| Juncus balticus Willd. | 28 images |
| Juncus bufonius L. | 415 images |
| Juncus cooperi Engelm. | 2 images |
| Juncus dichotomus Elliott | 7 images |
| Juncus dudleyi Wiegand | 8 images |
| Juncus ebracteatus E.Mey. | 2 images |
| Juncus effusus L. | 3431 images |
| Juncus ensifolius Wikstr. | 88 images |
| Juncus interior Wiegand | 3 images |
| Juncus marginatus Rostk. | 4 images |
| Juncus microcephalus Kunth | 5 images |
| Juncus nodosus L. | 3 images |
| Juncus phaeocephalus Engelm. | 10 images |
| Juncus tenuis Willd. | 532 images |
| Juncus torreyi Coville | 23 images |
| Juniperus ashei J.Buchholz | 6 images |
| Juniperus californica Carrière | 21 images |
| Juniperus deppeana Steud. | 92 images |
| Juniperus flaccida Schltdl. | 44 images |
| Juniperus monosperma (Engelm.) Sarg. | 53 images |
| Juniperus monticola Martínez | 11 images |
| Juniperus pinchotii Sudw. | 27 images |
| Juniperus scopulorum Sarg. | 519 images |
| Juniperus virginiana L. | 4483 images |
| Jupunba idiopoda (S.F.Blake) M.V.B.Soares, M.P.Morim & Iganci | 4 images |
| Jupunba macradenia (Pittier) M.V.B.Soares, M.P.Morim & Iganci | 18 images |
| Justicia aurea Schltdl. | 168 images |
| Justicia brandegeeana Wassh. & L.B.Sm. | 1572 images |
| Justicia californica (Benth.) D.N.Gibson | 4 images |
| Justicia carnea Lindl. | 732 images |
| Justicia carthaginensis Jacq. | 73 images |
| Justicia fulvicoma Schltdl. & Cham. | 15 images |
| Justicia longii Hilsenb. | 7 images |
| Justicia macrantha Benth. | 3 images |
| Justicia metallica Lindau | 7 images |
| Justicia pilosella (Nees) Hilsenb. | 38 images |
| Justicia spicigera Schltdl. | 236 images |
| Kadenicarpus horripilus (Lem.) Vázquez-Sánchez | 11 images |
| Kadenicarpus pseudomacrochele (Backeb.) Doweld | 25 images |
| Kalanchoe blossfeldiana Poelln. | 13544 images |
| Kalanchoe daigremontiana Raym.-Hamet & H.Perrier | 2476 images |
| Kalanchoe delagoensis Eckl. & Zeyh. | 1697 images |
| Kalanchoe pinnata (Lam.) Pers. | 1514 images |
| Kallstroemia californica (S.Watson) Vail | 13 images |
| Kallstroemia grandiflora Torr. ex A.Gray | 62 images |
| Kallstroemia maxima (L.) Hook. & Arn. | 52 images |
| Kallstroemia parviflora Norton | 2 images |
| Kallstroemia pubescens (G.Don) Dandy | 16 images |
| Karwinskia calderonii Standl. | 37 images |
| Karwinskia humboldtiana (Willd. ex Schult.) Zucc. | 1 images |
| Keckiella antirrhinoides (Benth.) Straw | 53 images |
| Keckiella cordifolia (Benth.) Straw | 138 images |
| Keckiella ternata (Torr. ex A.Gray) Straw | 32 images |
| Kefersteinia lactea (Rchb.f.) Schltr. | 3 images |
| Kigelia africana (Lam.) Benth. | 905 images |
| Klaprothia fasciculata (C.Presl) Poston | 39 images |
| Kniphofia uvaria (L.) Oken | 6252 images |
| Koanophyllon albicaule (Sch.Bip. ex Klatt) R.M.King & H.Rob. | 3 images |
| Koanophyllon solidaginoides (Kunth) R.M.King & H.Rob. | 10 images |
| Koeberlinia spinosa Zucc. | 58 images |
| Koeleria macrantha (Ledeb.) Schult. | 136 images |
| Koeleria spicata (L.) Barberá, Quintanar, Soreng & P.M.Peterson | 87 images |
| Koenigia mollis (D.Don) T.M.Schust. & Reveal | 15 images |
| Kohleria spicata (Kunth) Oerst. | 125 images |
| Kohleria tigridia (Ohlend.) Roalson & Boggan | 19 images |
| Kosteletzkya depressa (L.) O.J.Blanch., Fryxell & D.M.Bates | 12 images |
| Krameria erecta Willd. | 2 images |
| Krameria ixine L. | 29 images |
| Krameria lanceolata Torr. | 45 images |
| Krameria ramosissima S.Watson | 2 images |
| Krapovickasia physaloides (C.Presl) Fryxell | 1 images |
| Kroenleinia grusonii (Hildm.) Lodé | 2283 images |
| Krugiodendron ferreum (Vahl) Urb. | 26 images |
| Lablab purpureus (L.) Sweet | 812 images |
| Lacistema aggregatum (P.J.Bergius) Rusby | 94 images |
| Lactuca graminifolia Michx. | 8 images |
| Lactuca sativa L. | 4792 images |
| Laelia × crawshayana Rchb.f. | 5 images |
| Laelia × gouldiana Rchb.f. | 9 images |
| Laelia albida Bateman ex Lindl. | 12 images |
| Laelia anceps Lindl. | 28 images |
| Laelia aurea A.V.Navarro | 2 images |
| Laelia autumnalis (Lex.) Lindl. | 16 images |
| Laelia eyermaniana Rchb.f. | 2 images |
| Laelia furfuracea Lindl. | 2 images |
| Laelia halbingeriana Salazar & Soto Arenas | 1 images |
| Laelia rubescens Lindl. | 60 images |
| Laelia speciosa (Kunth) Schltr. | 20 images |
| Laelia superbiens Lindl. | 5 images |
| Lafoensia punicifolia DC. | 9 images |
| Lagascea decipiens Hemsl. | 2 images |
| Lagascea mollis Cav. | 28 images |
| Lagenaria siceraria (Molina) Standl. | 785 images |
| Laguncularia racemosa (L.) C.F.Gaertn. | 244 images |
| Lamarckia aurea (L.) Moench | 572 images |
| Lamium amplexicaule L. | 5169 images |
| Langloisia setosissima (Torr.) Greene | 26 images |
| Langsdorffia hypogaea Mart. | 1 images |
| Lantana × strigocamara R.W.Sanders | 2 images |
| Lantana achyranthifolia Desf. | 69 images |
| Lantana camara L. | 22907 images |
| Lantana canescens Kunth | 411 images |
| Lantana fucata Lindl. | 5 images |
| Lantana hirta Graham | 6 images |
| Lantana horrida Kunth | 14 images |
| Lantana involucrata L. | 165 images |
| Lantana montevidensis (Spreng.) Briq. | 1667 images |
| Lantana trifolia L. | 195 images |
| Lantana velutina M.Martens & Galeotti | 18 images |
| Laportea canadensis (L.) Wedd. | 271 images |
| Lappula occidentalis (S.Watson) Greene | 4 images |
| Larrea tridentata (DC.) Coville | 150 images |
| Lasiacis divaricata (L.) Hitchc. | 21 images |
| Lasiacis linearis Swallen | 4 images |
| Lasiacis maculata (Aubl.) Urb. | 48 images |
| Lasiacis nigra Davidse | 14 images |
| Lasiacis oaxacensis (Steud.) Hitchc. ex Chase | 14 images |
| Lasiacis procerrima (Hack.) Hitchc. ex Chase | 10 images |
| Lasiacis rugelii (Griseb.) Hitchc. | 6 images |
| Lasiacis ruscifolia (Kunth) Hitchc. ex Chase | 21 images |
| Lasiacis standleyi Hitchc. | 11 images |
| Lasianthaea fruticosa (L.) K.M.Becker | 41 images |
| Lastarriaea coriacea (Goodman) Hoover | 3 images |
| Lasthenia glabrata Lindl. | 39 images |
| Lasthenia gracilis (DC.) Greene | 5 images |
| Lathyrus lanszwertii Kellogg | 15 images |
| Lathyrus odoratus L. | 3496 images |
| Lathyrus oleraceus Lam. | 5088 images |
| Lathyrus splendens Kellogg | 7 images |
| Lathyrus tingitanus L. | 594 images |
| Lathyrus vestitus Nutt. | 3 images |
| Launaea intybacea (Jacq.) Beauverd | 15 images |
| Lawsonia inermis L. | 383 images |
| Layia glandulosa (Hook.) Hook. & Arn. | 45 images |
| Layia platyglossa (Fisch. & C.A.Mey.) A.Gray | 16 images |
| Lechea mucronata Raf. | 8 images |
| Lecointea amazonica Ducke | 62 images |
| Leersia hexandra Sw. | 44 images |
| Leersia ligularis Trin. | 2 images |
| Leersia oryzoides (L.) Sw. | 247 images |
| Lemaireocereus hollianus (F.A.C.Weber ex J.M.Coult.) Britton & Rose | 3 images |
| Lemna aequinoctialis Welw. | 59 images |
| Lemna gibba L. | 70 images |
| Lemna minor L. | 912 images |
| Lemna minuta Kunth | 115 images |
| Lemna trisulca L. | 105 images |
| Lemna valdiviana Phil. | 7 images |
| Lennea viridiflora Seem. | 32 images |
| Lenophyllum acutifolium Rose | 55 images |
| Lenophyllum guttatum (Rose) Rose | 6 images |
| Lenophyllum obtusum Moran | 1 images |
| Lenophyllum texanum (Donn.Sm.) Rose | 18 images |
| Leochilus carinatus (Knowles & Westc.) Lindl. | 2 images |
| Leochilus labiatus (Sw.) Kuntze | 25 images |
| Leonotis nepetifolia (L.) R.Br. | 530 images |
| Leonurus cardiaca L. | 3370 images |
| Leonurus japonicus Houtt. | 27 images |
| Lepechinia cardiophylla Epling | 1 images |
| Lepechinia ganderi Epling | 22 images |
| Lepechinia hastata (A.Gray) Epling | 29 images |
| Lepidagathis alopecuroidea (Vahl) R.Br. ex Griseb. | 2 images |
| Lepidaploa arborescens (L.) H.Rob. | 18 images |
| Lepidaploa canescens (Kunth) H.Rob. | 21 images |
| Lepidaploa remotiflora (Rich.) H.Rob. | 5 images |
| Lepidaploa salzmannii (DC.) H.Rob. | 18 images |
| Lepidaploa tortuosa (L.) H.Rob. | 35 images |
| Lepidium alyssoides A.Gray | 6 images |
| Lepidium austrinum Small | 10 images |
| Lepidium densiflorum Schrad. | 54 images |
| Lepidium didymum L. | 1449 images |
| Lepidium draba L. | 8067 images |
| Lepidium flavum Torr. | 18 images |
| Lepidium fremontii S.Watson | 52 images |
| Lepidium lasiocarpum Nutt. | 30 images |
| Lepidium latifolium L. | 786 images |
| Lepidium latipes Hook. | 3 images |
| Lepidium montanum Nutt. | 28 images |
| Lepidium nitidum Nutt. | 39 images |
| Lepidium oblongum Small | 8 images |
| Lepidium perfoliatum L. | 40 images |
| Lepidium thurberi Wooton | 2 images |
| Lepidium virginicum L. | 1711 images |
| Lepidospartum squamatum (A.Gray) A.Gray | 6 images |
| Leptochloa crinita (Lag.) P.M.Peterson & N.Snow | 6 images |
| Leptochloa panicea (Retz.) Ohwi | 5 images |
| Leptochloa scabra Nees | 3 images |
| Leptolobium panamense (Benth.) Sch.Rodr. & A.M.G.Azevedo | 38 images |
| Leptosiphon floribundus (A.Gray) J.M.Porter & L.A.Johnson | 18 images |
| Leptosiphon parviflorus Benth. | 1 images |
| Leptospron adenanthum (G.Mey.) A.Delgado | 8 images |
| Lespedeza texana Britton | 4 images |
| Lespedeza virginica (L.) Britton | 94 images |
| Leucaena leucocephala (Lam.) de Wit | 3608 images |
| Leucaena pulverulenta (Schltdl.) Benth. | 9 images |
| Leucaena retusa Benth. | 18 images |
| Leucanthemum vulgare Lam. | 10597 images |
| Leuchtenbergia principis Fisch. ex Hook. | 25 images |
| Leucocarpus perfoliatus (Kunth) Benth. | 4 images |
| Leucophyllum candidum I.M.Johnst. | 124 images |
| Leucophyllum frutescens (Berland.) I.M.Johnst. | 532 images |
| Leuenbergeria lychnidiflora (DC.) Lodé | 37 images |
| Leuzea repens (L.) D.J.N.Hind | 26 images |
| Leymus condensatus (J.Presl) Á.Löve | 2 images |
| Leymus triticoides (Buckley) Pilg. | 19 images |
| Liabum asclepiadeum Sch.Bip. | 9 images |
| Liatris punctata Hook. | 181 images |
| Libidibia coriaria (Jacq.) Schltdl. | 48 images |
| Licania hypoleuca Benth. | 136 images |
| Licaria misantlae (Brandegee) Kosterm. | 57 images |
| Ligusticum porteri J.M.Coult. & Rose | 1 images |
| Ligustrum lucidum W.T.Aiton | 9237 images |
| Ligustrum ovalifolium Hassk. | 4723 images |
| Lilium candidum L. | 4189 images |
| Lilium humboldtii Leichtlin | 92 images |
| Lilium longiflorum Thunb. | 608 images |
| Lilium pardalinum Kellogg | 99 images |
| Lilium parryi S.Watson | 11 images |
| Limnocharis flava (L.) Buchenau | 49 images |
| Limnocharis laforestii Duchass. ex Griseb. | 20 images |
| Limonium californicum (Boiss.) A.Heller | 22 images |
| Limonium carolinianum (Walter) Britton | 66 images |
| Limonium perezii (Stapf) F.T.Hubb. | 8 images |
| Limonium sinuatum (L.) Mill. | 2966 images |
| Limosella aquatica L. | 57 images |
| Linanthus dianthiflorus (Benth.) Greene | 46 images |
| Lindackeria laurina C.Presl | 1 images |
| Lindernia dubia (L.) Pennell | 215 images |
| Lindheimera texana A.Gray & Engelm. | 42 images |
| Lindsaea lancea (L.) Bedd. | 5 images |
| Lindsaea quadrangularis Raddi | 4 images |
| Lindsaea stricta (Sw.) Dryand. | 60 images |
| Linum aristatum Engelm. | 5 images |
| Linum lewisii Pursh | 172 images |
| Linum micranthum A.Gray | 5 images |
| Linum neomexicanum Greene | 2 images |
| Linum perenne L. | 2871 images |
| Linum pratense (Norton) Small | 34 images |
| Linum puberulum (Engelm.) A.Heller | 17 images |
| Linum rupestre Engelm. ex A.Gray | 7 images |
| Linum usitatissimum L. | 5328 images |
| Liparis nervosa (Thunb.) Lindl. | 23 images |
| Lippia alba (Mill.) N.E.Br. ex Britton & P.Wilson | 1014 images |
| Lippia cardiostegia Benth. | 49 images |
| Lippia dulcis Trevir. | 105 images |
| Lippia mexicana G.L.Nesom | 1 images |
| Lippia myriocephala Schltdl. & Cham. | 7 images |
| Lippia origanoides Kunth | 86 images |
| Liquidambar styraciflua L. | 11564 images |
| Lithachne pauciflora (Sw.) P.Beauv. | 24 images |
| Lithophragma affine A.Gray | 91 images |
| Lithospermum calycosum (J.F.Macbr.) I.M.Johnst. | 1 images |
| Lithospermum cobrense Greene | 13 images |
| Lithospermum incisum Lehm. | 135 images |
| Lithospermum multiflorum Torr. ex A.Gray | 10 images |
| Lithospermum viride Greene | 2 images |
| Lithraea molleoides (Vell.) Engl. | 55 images |
| Lobelia aguana E.Wimm. | 2 images |
| Lobelia cardinalis L. | 1838 images |
| Lobelia fenestralis Cav. | 5 images |
| Lobelia laxiflora Kunth | 460 images |
| Lobelia longicaulis Brandegee | 4 images |
| Lobelia nana Kunth | 4 images |
| Lobelia xalapensis Kunth | 8 images |
| Lobularia maritima (L.) Desv. | 12791 images |
| Lockhartia oerstedii Rchb.f. | 6 images |
| Loeflingia squarrosa Nutt. | 2 images |
| Loeselia ciliata L. | 14 images |
| Loeselia greggii S.Watson | 3 images |
| Loeselia mexicana (Lam.) Brand | 3 images |
| Loeselia pumila (M.Martens & Galeotti) Walp. | 2 images |
| Loeseliastrum matthewsii (A.Gray) Timbrook | 57 images |
| Loeseliastrum schottii (Torr.) Timbrook | 34 images |
| Logfia gallica (L.) Coss. & Germ. | 76 images |
| Lolium arundinaceum (Schreb.) Darbysh. | 768 images |
| Lolium multiflorum Lam. | 338 images |
| Lolium perenne L. | 3034 images |
| Lolium temulentum L. | 29 images |
| Lomariopsis vestita Fourn. | 20 images |
| Lomatium insulare (Eastw.) Munz | 10 images |
| Lomatium mohavense (J.M.Coult. & Rose) J.M.Coult. & Rose | 31 images |
| Lomatium nevadense (S.Watson) J.M.Coult. & Rose | 36 images |
| Lonchitis hirsuta L. | 9 images |
| Lonchocarpus acuminatus (Schltdl.) M.Sousa | 14 images |
| Lonchocarpus atropurpureus Benth. | 10 images |
| Lonchocarpus brenesii M.Sousa | 28 images |
| Lonchocarpus guatemalensis Benth. | 2 images |
| Lonchocarpus heptaphyllus (Poir.) DC. | 55 images |
| Lonchocarpus lanceolatus Benth. | 58 images |
| Lonchocarpus minimiflorus Donn.Sm. | 20 images |
| Lonchocarpus oliganthus F.J.Herm. | 26 images |
| Lonchocarpus parviflorus Benth. | 33 images |
| Lonchocarpus phaseolifolius Benth. | 28 images |
| Lonchocarpus punctatus Kunth | 47 images |
| Lonchocarpus rugosus Benth. | 71 images |
| Lonchocarpus sanctuarii Standl. & L.O.Williams | 2 images |
| Lonchocarpus schiedeanus (Schltdl.) Harms | 61 images |
| Lonchocarpus sericeus (Poir.) Kunth ex DC. | 47 images |
| Lonicera involucrata (Richardson) Banks ex Spreng. | 776 images |
| Lonicera japonica Thunb. | 9965 images |
| Lonicera pilosa (Kunth) Spreng. | 7 images |
| Lonicera subspicata Hook. & Arn. | 17 images |
| Lopezia racemosa Cav. | 13 images |
| Lophocereus marginatus (DC.) S.Arias & Terrazas | 368 images |
| Lophocereus schottii (Engelm.) Britton & Rose | 65 images |
| Lophophora diffusa (Croizat) Bravo | 10 images |
| Lophophora fricii Haberm. | 1 images |
| Lophophora williamsii (Lem. ex Salm-Dyck) J.M.Coult. | 361 images |
| Lophosoria quadripinnata (J.F.Gmel.) C.Chr. | 90 images |
| Lophospermum erubescens D.Don | 222 images |
| Lophospermum purpusii (Brandegee) Rothm. | 4 images |
| Lotus corniculatus L. | 18837 images |
| Louisiella elephantipes (Nees ex Trin.) Zuloaga | 1 images |
| Louteridium mexicanum (Baill.) Standl. | 4 images |
| Loxogramme mexicana C.Chr. | 4 images |
| Lozanella enantiophylla (Donn.Sm.) Killip & C.V.Morton | 8 images |
| Ludwigia adscendens (L.) H.Hara | 52 images |
| Ludwigia bonariensis (Micheli) H.Hara | 12 images |
| Ludwigia decurrens Walter | 40 images |
| Ludwigia erecta (L.) H.Hara | 108 images |
| Ludwigia foliobracteolata (Munz) H.Hara | 27 images |
| Ludwigia helminthorrhiza (Mart.) H.Hara | 3 images |
| Ludwigia hyssopifolia (G.Don) Exell | 65 images |
| Ludwigia inclinata (L.f.) M.Gómez | 34 images |
| Ludwigia leptocarpa (Nutt.) H.Hara | 7 images |
| Ludwigia linifolia Poir. | 1 images |
| Ludwigia nervosa (Poir.) H.Hara | 7 images |
| Ludwigia octovalvis (Jacq.) P.H.Raven | 654 images |
| Ludwigia palustris (L.) Elliott | 281 images |
| Ludwigia peploides (Kunth) P.H.Raven | 663 images |
| Ludwigia peruviana (L.) H.Hara | 80 images |
| Ludwigia repens J.R.Forst. | 8 images |
| Ludwigia rigida (Miq.) Sandwith | 2 images |
| Ludwigia sedoides (Bonpl.) H.Hara | 41 images |
| Ludwigia suffruticosa Walter | 4 images |
| Ludwigia torulosa (Arn.) H.Hara | 4 images |
| Luehea candida (Moc. & Sessé ex DC.) Mart. | 31 images |
| Luehea seemannii Triana & Planch. | 42 images |
| Luehea speciosa Willd. | 26 images |
| Luffa aegyptiaca Mill. | 61 images |
| Luffa operculata (L.) Cogn. | 20 images |
| Lunania mexicana Brandegee | 44 images |
| Lundia puberula Pittier | 27 images |
| Lupinus albifrons Benth. | 407 images |
| Lupinus argenteus Pursh | 105 images |
| Lupinus bicolor Lindl. | 216 images |
| Lupinus densiflorus Benth. | 37 images |
| Lupinus elegans Kunth | 1 images |
| Lupinus formosus Greene | 65 images |
| Lupinus hirsutissimus Benth. | 105 images |
| Lupinus latifolius Lindl. ex J.Agardh | 2 images |
| Lupinus montanus Kunth | 32 images |
| Lupinus neomexicanus Greene | 7 images |
| Lupinus sparsiflorus Benth. | 67 images |
| Lupinus subcarnosus Hook. | 24 images |
| Lupinus succulentus Douglas ex K.Koch | 16 images |
| Lupinus texensis Hook. | 384 images |
| Luzula racemosa Desv. | 26 images |
| Luzula vulcanica Liebm. | 4 images |
| Lycaste aromatica (Graham) Lindl. | 21 images |
| Lycaste cruenta (Lindl.) Lindl. | 3 images |
| Lycaste lasioglossa Rchb.f. | 1 images |
| Lycaste virginalis (Scheidw.) Linden | 10 images |
| Lycianthes acapulcensis (Baill.) D'Arcy | 11 images |
| Lycianthes heteroclita (Sendtn.) Bitter | 15 images |
| Lycianthes inaequilatera (Rusby) Bitter | 8 images |
| Lycianthes multiflora Bitter | 94 images |
| Lycium berlandieri Dunal | 14 images |
| Lycium carolinianum Walter | 2 images |
| Lycium pallidum Miers | 18 images |
| Lycopodiella cernua (L.) Pic.Serm. | 148 images |
| Lycopodium thyoides Willd. | 9 images |
| Lygodesmia texana (Torr. & A.Gray) Greene ex Small | 1 images |
| Lygodium venustum Sw. | 109 images |
| Lygodium volubile Sw. | 20 images |
| Lysiloma auritum (Schltdl.) Benth. | 54 images |
| Lysiloma divaricatum (Jacq.) J.F.Macbr. | 13 images |
| Lysiloma watsonii Rose | 5 images |
| Lysimachia arvensis (L.) U.Manns & Anderb. | 10168 images |
| Lysimachia minima (L.) U.Manns & Anderb. | 18 images |
| Lysimachia ovalis (Ruiz & Pav.) U.Manns & Anderb. | 9 images |
| Lythrum alatum Pursh | 48 images |
| Lythrum hyssopifolia L. | 470 images |
| Mabea excelsa Standl. & Steyerm. | 25 images |
| Mabea occidentalis Benth. | 44 images |
| Machaeranthera tagetina Greene | 4 images |
| Machaeranthera tanacetifolia (Kunth) Nees | 118 images |
| Machaerium × salvadorense (Donn.Sm.) Rudd | 6 images |
| Machaerium biovulatum Micheli | 53 images |
| Machaerium cirrhiferum Pittier | 13 images |
| Machaerium cobanense Donn.Sm. | 21 images |
| Machaerium floribundum Benth. | 19 images |
| Machaerium inundatum (Mart. ex Benth.) Ducke | 1 images |
| Machaerium isadelphum (E.Mey.) Amshoff | 19 images |
| Machaerium kegelii Meisn. | 4 images |
| Machaerium lunatum (L.f.) Ducke | 28 images |
| Machaerium pittieri J.F.Macbr. | 12 images |
| Machaerium seemannii Benth. ex Seem. | 64 images |
| Machaonia erythrocarpa (Standl.) Borhidi | 57 images |
| Macleania insignis M.Martens & Galeotti | 12 images |
| Maclura tinctoria (L.) D.Don ex G.Don | 55 images |
| Macropsychanthus comosus (G.Mey.) L.P.Queiroz & Snak | 20 images |
| Macropsychanthus violaceus (Mart. ex Benth.) L.P.Queiroz & Snak | 48 images |
| Macroptilium atropurpureum (DC.) Urb. | 279 images |
| Macroptilium gracile (Poepp. ex Benth.) Urb. | 1 images |
| Macroptilium lathyroides (L.) Urb. | 353 images |
| Macroptilium longepedunculatum (Mart. ex Benth.) Urb. | 6 images |
| Macroscepis pleistantha Donn.Sm. | 38 images |
| Macrothelypteris torresiana (Gaudich.) Ching | 158 images |
| Madia elegans D.Don | 90 images |
| Madia exigua (Sm.) Greene | 1 images |
| Madia gracilis (Sm.) D.D.Keck & J.C.Clausen ex Applegate | 3 images |
| Magnolia grandiflora L. | 10739 images |
| Magnolia mexicana DC. | 13 images |
| Magnolia sororum Seibert | 22 images |
| Maianthemum paniculatum (M.Martens & Galeotti) LaFrankie | 3 images |
| Maianthemum racemosum (L.) Link | 1488 images |
| Maianthemum stellatum (L.) Link | 555 images |
| Malachra alceifolia Jacq. | 75 images |
| Malachra capitata (L.) L. | 14 images |
| Malachra fasciata Jacq. | 19 images |
| Malachra radiata (L.) L. | 9 images |
| Malacomeles denticulata (Kunth) Decne. | 2 images |
| Malacothamnus densiflorus (S.Watson) Greene | 4 images |
| Malacothamnus fasciculatus (Nutt.) Greene | 7 images |
| Malacothrix californica DC. | 43 images |
| Malacothrix clevelandii (Greene) A.Gray | 1 images |
| Malacothrix fendleri A.Gray | 6 images |
| Malacothrix glabrata A.Gray | 94 images |
| Malaxis brachyrrhynchos (Rchb.f.) Ames | 1 images |
| Malaxis excavata (Lindl.) Kuntze | 6 images |
| Malaxis unifolia Michx. | 17 images |
| Malephora crocea (Jacq.) Schwantes | 2082 images |
| Malosma laurina (Nutt.) Abrams | 527 images |
| Malperia tenuis S.Watson | 10 images |
| Malpighia emarginata DC. | 360 images |
| Malpighia glabra L. | 723 images |
| Malva arborea (L.) Webb & Berthel. | 6836 images |
| Malva assurgentiflora (Kellogg) M.F.Ray | 56 images |
| Malva nicaeensis All. | 170 images |
| Malva parviflora L. | 2720 images |
| Malva sylvestris L. | 25838 images |
| Malva verticillata L. | 212 images |
| Malvastrum americanum (L.) Torr. | 23 images |
| Malvastrum coromandelianum (L.) Garcke | 738 images |
| Malvaviscus achanioides (Turcz.) Fryxell | 9 images |
| Malvaviscus arboreus Dill. ex Cav. | 50 images |
| Malvaviscus penduliflorus Moc. & Sessé ex DC. | 294 images |
| Malvella lepidota (A.Gray) Fryxell | 1 images |
| Malvella leprosa (Ortega) Krapov. | 119 images |
| Mammea americana L. | 278 images |
| Mammillaria albicoma Boed. | 7 images |
| Mammillaria albiflora (Werderm.) Backeb. | 8 images |
| Mammillaria albilanata Backeb. | 18 images |
| Mammillaria aureilanata Backeb. | 3 images |
| Mammillaria backebergiana Franc.G.Buchenau | 7 images |
| Mammillaria baumii Boed. | 13 images |
| Mammillaria beneckei C.Ehrenb. | 13 images |
| Mammillaria bertholdii Linzen | 3 images |
| Mammillaria bocasana Poselg. | 3 images |
| Mammillaria bombycina Quehl | 268 images |
| Mammillaria brandegeei (J.M.Coult.) Engelm. ex K.Brandegee | 3 images |
| Mammillaria candida Scheidw. | 24 images |
| Mammillaria carmeniae Castañeda | 15 images |
| Mammillaria carnea Zucc. ex Pfeiff. | 6 images |
| Mammillaria carretii Rebut ex K.Schum. | 2 images |
| Mammillaria coahuilensis (Boed.) Moran | 6 images |
| Mammillaria columbiana Salm-Dyck | 9 images |
| Mammillaria compressa DC. | 366 images |
| Mammillaria crinita DC. | 23 images |
| Mammillaria crucigera Mart. | 8 images |
| Mammillaria decipiens Scheidw. | 175 images |
| Mammillaria deherdtiana Farwig | 12 images |
| Mammillaria densispina (J.M.Coult.) Orcutt | 2 images |
| Mammillaria discolor Haw. | 5 images |
| Mammillaria dixanthocentron Backeb. ex Mottram | 2 images |
| Mammillaria duwei Rogoz. & P.J.Braun | 1 images |
| Mammillaria elongata DC. | 2033 images |
| Mammillaria eriacantha Link & Otto ex Pfeiff. | 4 images |
| Mammillaria erythrosperma Boed. | 1 images |
| Mammillaria evermanniana (Britton & Rose) Orcutt | 1 images |
| Mammillaria flavicentra Backeb. ex Mottram | 5 images |
| Mammillaria formosa Galeotti ex Scheidw. | 30 images |
| Mammillaria gasseriana Boed. | 2 images |
| Mammillaria geminispina Haw. | 154 images |
| Mammillaria gigantea Hildm. ex K.Schum. | 4 images |
| Mammillaria glassii R.A.Foster | 2 images |
| Mammillaria glochidiata Mart. | 2 images |
| Mammillaria grusonii Runge | 5 images |
| Mammillaria haageana Pfeiff. | 30 images |
| Mammillaria hahniana Werderm. | 1190 images |
| Mammillaria hernandezii Glass & R.A.Foster | 4 images |
| Mammillaria herrerae Werderm. | 5 images |
| Mammillaria heyderi Muehlenpf. | 34 images |
| Mammillaria huitzilopochtli Linzen, Rogoz. & Frank Wolf | 1 images |
| Mammillaria humboldtii C.Ehrenb. | 3 images |
| Mammillaria johnstonii (Britton & Rose) Orcutt | 6 images |
| Mammillaria karwinskiana Mart. | 166 images |
| Mammillaria klissingiana Boed. | 4 images |
| Mammillaria knippeliana Quehl | 1 images |
| Mammillaria lasiacantha Engelm. | 243 images |
| Mammillaria laui D.R.Hunt | 5 images |
| Mammillaria lenta K.Brandegee | 1 images |
| Mammillaria longiflora (Britton & Rose) A.Berger | 2 images |
| Mammillaria longimamma DC. | 249 images |
| Mammillaria luethyi G.S.Hinton | 9 images |
| Mammillaria magnifica Franc.G.Buchenau | 2 images |
| Mammillaria magnimamma Haw. | 62 images |
| Mammillaria marksiana Krainz | 60 images |
| Mammillaria matudae Bravo | 100 images |
| Mammillaria mazatlanensis K.Schum. ex Gürke | 7 images |
| Mammillaria melanocentra Poselg. | 1 images |
| Mammillaria mercadensis Patoni | 8 images |
| Mammillaria meyranii Bravo | 1 images |
| Mammillaria microhelia Werderm. | 30 images |
| Mammillaria moelleriana Boed. | 1 images |
| Mammillaria muehlenpfordtii C.F.Först. | 5 images |
| Mammillaria multihamata Boed. | 4 images |
| Mammillaria mystax Mart. | 30 images |
| Mammillaria nana Backeb. | 1 images |
| Mammillaria napina J.A.Purpus | 1 images |
| Mammillaria nunezii (Britton & Rose) Orcutt | 5 images |
| Mammillaria orcuttii Boed. | 4 images |
| Mammillaria parkinsonii C.Ehrenb. | 10 images |
| Mammillaria pectinifera F.A.C.Weber | 8 images |
| Mammillaria pennispinosa Krainz | 4 images |
| Mammillaria perbella Hildm. ex K.Schum. | 4 images |
| Mammillaria perezdelarosae Bravo & Scheinvar | 11 images |
| Mammillaria petrophila K.Brandegee | 4 images |
| Mammillaria petterssonii Hildm. | 4 images |
| Mammillaria picta Meinsh. | 4 images |
| Mammillaria plumosa F.A.C.Weber | 17 images |
| Mammillaria polyedra Mart. | 4 images |
| Mammillaria polythele Mart. | 484 images |
| Mammillaria pottsii Scheer ex Salm-Dyck | 24 images |
| Mammillaria pringlei (J.M.Coult.) K.Brandegee | 1 images |
| Mammillaria prolifera (Mill.) Haw. | 1226 images |
| Mammillaria rekoi (Britton & Rose) Vaupel | 2 images |
| Mammillaria rhodantha Link & Otto | 62 images |
| Mammillaria roseoalba Boed. | 4 images |
| Mammillaria sanchez-mejoradae Rodr.González | 8 images |
| Mammillaria sartorii J.A.Purpus | 3 images |
| Mammillaria schiedeana C.Ehrenb. | 12 images |
| Mammillaria schwarzii Shurly | 2 images |
| Mammillaria scrippsiana (Britton & Rose) Orcutt | 5 images |
| Mammillaria sempervivi DC. | 15 images |
| Mammillaria senilis Lodd. ex Salm-Dyck | 7 images |
| Mammillaria sinistrohamata Boed. | 1 images |
| Mammillaria solisioides Backeb. | 4 images |
| Mammillaria sonorensis R.T.Craig | 5 images |
| Mammillaria sphacelata Mart. | 3 images |
| Mammillaria sphaerica A.Dietr. | 102 images |
| Mammillaria spinosissima Lem. | 1880 images |
| Mammillaria standleyi (Britton & Rose) Orcutt | 25 images |
| Mammillaria supertexta Mart. ex Pfeiff. | 13 images |
| Mammillaria surculosa Boed. | 14 images |
| Mammillaria tepexicensis J.Meyrán | 2 images |
| Mammillaria tonalensis D.R.Hunt | 1 images |
| Mammillaria uncinata Zucc. ex Pfeiff. | 83 images |
| Mammillaria varieaculeata Franc.G.Buchenau | 2 images |
| Mammillaria vetula Mart. | 2322 images |
| Mammillaria voburnensis Scheer | 64 images |
| Mammillaria wagneriana Boed. | 4 images |
| Mammillaria weingartiana Boed. | 1 images |
| Mammillaria winterae Boed. | 725 images |
| Mammillaria zeilmanniana Boed. | 111 images |
| Mammillaria zephyranthoides Scheidw. | 2 images |
| Mandevilla brachysiphon (Torr.) Pichon | 2 images |
| Mandevilla hirsuta (Rich.) K.Schum. | 105 images |
| Mandevilla macrosiphon (Torr.) Pichon | 8 images |
| Mandevilla subsagittata (Ruiz & Pav.) Woodson | 21 images |
| Mandevilla villosa (Miers) Woodson | 8 images |
| Manettia reclinata L. | 18 images |
| Mangifera indica L. | 5328 images |
| Manihot aesculifolia (Kunth) Pohl | 18 images |
| Manihot esculenta Crantz | 1113 images |
| Manihot walkerae Croizat | 1 images |
| Manilkara chicle (Pittier) Gilly | 13 images |
| Manilkara zapota (L.) P.Royen | 673 images |
| Mansoa hymenaea (DC.) A.H.Gentry | 2 images |
| Marah macrocarpa (Greene) Greene | 50 images |
| Maranta arundinacea L. | 547 images |
| Maranta leuconeura É.Morren | 1340 images |
| Marathrum foeniculaceum Bonpl. | 23 images |
| Marcgravia brownei (Triana & Planch.) Krug & Urb. | 39 images |
| Marcgravia mexicana Gilg | 65 images |
| Marcgravia nepenthoides Seem. | 56 images |
| Marcgravia pittieri Gilg | 12 images |
| Margaritaria nobilis L.f. | 143 images |
| Marila laxiflora Rusby | 21 images |
| Mariosousa heterophylla (Benth.) Seigler & Ebinger | 1 images |
| Maripa nicaraguensis Hemsl. | 62 images |
| Marrubium vulgare L. | 4316 images |
| Marsdenia propinqua Hemsl. | 7 images |
| Marsdenia trivirgulata Bartlett | 5 images |
| Marsdenia veronicae W.D.Stevens | 2 images |
| Marsilea macropoda Engelm. ex A.Braun | 3 images |
| Marsilea polycarpa Hook. & Grev. | 1 images |
| Marsypianthes chamaedrys (Vahl) Kuntze | 122 images |
| Martinella obovata (Kunth) Bureau & K.Schum. | 20 images |
| Martynia annua L. | 81 images |
| Mascagnia sepium (A.Juss.) Griseb. | 1 images |
| Mascagnia vacciniifolia Nied. | 27 images |
| Masdevallia tubuliflora Ames | 18 images |
| Matayba clavelligera Radlk. | 16 images |
| Matayba oppositifolia (A.Rich.) Britton | 35 images |
| Matelea parvifolia (Torr.) Woodson | 13 images |
| Matelea pavonii (Decne.) Woodson | 1 images |
| Matelea picturata (Hemsl.) Woodson | 11 images |
| Matelea reticulata (Engelm. ex A.Gray) Woodson | 55 images |
| Matricaria chamomilla L. | 9771 images |
| Matricaria discoidea DC. | 3470 images |
| Matthiola incana (L.) W.T.Aiton | 170 images |
| Matudaea trinervia Lundell | 34 images |
| Maurandella antirrhiniflora (Humb. & Bonpl. ex Willd.) Rothm. | 16 images |
| Maurandya barclayana Lindl. | 48 images |
| Maurandya scandens (Cav.) Pers. | 4 images |
| Maxillaria aciantha Rchb.f. | 9 images |
| Maxillaria alba (Hook.) Lindl. | 32 images |
| Maxillaria crassifolia (Lindl.) Rchb.f. | 2 images |
| Maxillaria cucullata Lindl. | 7 images |
| Maxillaria densa Lindl. | 5 images |
| Maxillaria egertoniana (Bateman ex Lindl.) Molinari | 110 images |
| Maxillaria elatior (Rchb.f.) Rchb.f. | 9 images |
| Maxillaria friedrichsthalii Rchb.f. | 4 images |
| Maxillaria hedwigiae Hamer & Dodson | 4 images |
| Maxillaria lineolata (Fenzl) Molinari | 14 images |
| Maxillaria maleolens Schltr. | 4 images |
| Maxillaria moralesii Carnevali & J.T.Atwood | 4 images |
| Maxillaria nasuta Rchb.f. | 5 images |
| Maxillaria parviflora (Poepp. & Endl.) Garay | 7 images |
| Maxillaria pulchra (Schltr.) L.O.Williams ex Correll | 1 images |
| Maxillaria ringens Rchb.f. | 18 images |
| Maxillaria scorpioidea Kraenzl. | 10 images |
| Maxillaria tenuifolia Lindl. | 116 images |
| Maxillaria variabilis Bateman ex Lindl. | 102 images |
| Mayaca fluviatilis Aubl. | 40 images |
| Mayna odorata Aubl. | 33 images |
| Maytenus purpusii Lundell | 2 images |
| Mecardonia procumbens (Mill.) Small | 197 images |
| Medicago lupulina L. | 6775 images |
| Medicago polymorpha L. | 2715 images |
| Medicago sativa L. | 15986 images |
| Megalastrum subincisum (Willd.) A.R.Sm. & R.C.Moran | 4 images |
| Megathyrsus maximus (Jacq.) B.K.Simon & S.W.L.Jacobs | 175 images |
| Melaleuca citrina (Curtis) Dum.Cours. | 11098 images |
| Melampodium cinereum DC. | 10 images |
| Melampodium divaricatum (Rich.) DC. | 110 images |
| Melampodium leucanthum Torr. & A.Gray | 70 images |
| Melampodium perfoliatum (Cav.) Kunth | 42 images |
| Melampodium sericeum Lag. | 4 images |
| Melanthera nivea (L.) Small | 105 images |
| Melasma melampyroides (Rich.) Pennell ex Britton & P.Wilson | 13 images |
| Melia azedarach L. | 10635 images |
| Melica frutescens Scribn. | 11 images |
| Melica imperfecta Trin. | 11 images |
| Melica montezumae Piper | 1 images |
| Melica nitens (Scribn.) Nutt. ex Piper | 3 images |
| Melica porteri Scribn. | 1 images |
| Melicoccus oliviformis Kunth | 1 images |
| Melilotus albus Medik. | 6754 images |
| Melilotus indicus (L.) All. | 2297 images |
| Melinis minutiflora P.Beauv. | 2 images |
| Melinis repens (Willd.) Zizka | 509 images |
| Meliosma alba (Schltdl.) Walp. | 2 images |
| Meliosma glabrata (Liebm.) Urb. | 62 images |
| Meliosma idiopoda S.F.Blake | 36 images |
| Meliosma occidentalis Cuatrec. | 13 images |
| Melocactus curvispinus Pfeiff. | 49 images |
| Melochia lupulina Sw. | 12 images |
| Melochia nodiflora Sw. | 46 images |
| Melochia pyramidata L. | 143 images |
| Melochia tomentosa L. | 86 images |
| Melochia villosa (Mill.) Fawc. & Rendle | 75 images |
| Melothria pendula L. | 491 images |
| Melothria scabra Naudin | 133 images |
| Melothria sphaerocarpa (Cogn.) H.Schaef. & S.S.Renner | 47 images |
| Melothria trilobata Cogn. | 6 images |
| Mendoncia retusa Turrill | 44 images |
| Menispermum canadense L. | 242 images |
| Menodora heterophylla Moric. ex DC. | 10 images |
| Mentha × rotundifolia (L.) Huds. | 985 images |
| Mentha aquatica L. | 7169 images |
| Mentha arvensis L. | 2983 images |
| Mentha canadensis L. | 13 images |
| Mentha spicata L. | 8599 images |
| Mentha suaveolens Ehrh. | 10792 images |
| Mentzelia affinis Greene | 13 images |
| Mentzelia aspera L. | 23 images |
| Mentzelia dispersa S.Watson | 2 images |
| Mentzelia hirsutissima S.Watson | 1 images |
| Mentzelia incisa Urb. & Gilg | 26 images |
| Mentzelia involucrata S.Watson | 72 images |
| Mentzelia montana (Davidson) Davidson | 3 images |
| Meriania macrophylla (Benth.) Triana | 1 images |
| Merremia discoidesperma (Donn.Sm.) O'Donell | 4 images |
| Mesechites trifidus (Jacq.) Müll.Arg. | 49 images |
| Mesembryanthemum crystallinum L. | 1081 images |
| Mesembryanthemum nodiflorum L. | 1567 images |
| Mesosphaerum pectinatum (L.) Kuntze | 18 images |
| Mesosphaerum suaveolens (L.) Kuntze | 458 images |
| Mespilodaphne macrophylla (Beurl.) Trofimov | 62 images |
| Mespilodaphne veraguensis (Meisn.) Rohwer | 66 images |
| Metaxya rostrata (Kunth) C.Presl | 2 images |
| Metopium brownei (Jacq.) Urb. | 7 images |
| Meximalva filipes (A.Gray) Fryxell | 1 images |
| Mexipedium xerophyticum (Soto Arenas, Salazar & Hágsater) V.A.Albert & M.W.Chase | 3 images |
| Miconia affinis DC. | 90 images |
| Miconia albicans (Sw.) Steud. | 140 images |
| Miconia ampla Triana | 8 images |
| Miconia argentea DC. | 77 images |
| Miconia bubalina Naudin | 50 images |
| Miconia calvescens DC. | 70 images |
| Miconia caudata DC. | 6 images |
| Miconia centrodesma Naudin | 34 images |
| Miconia chrysophylla Urb. | 11 images |
| Miconia ciliata (Rich.) DC. | 66 images |
| Miconia cooperi (Cogn.) Michelang. | 46 images |
| Miconia costaricensis Cogn. | 20 images |
| Miconia crenata (Vahl) Michelang. | 971 images |
| Miconia dentata (D.Don) Michelang. | 21 images |
| Miconia dependens (Pav. ex D.Don) Judd & Majure | 76 images |
| Miconia desmantha Benth. | 5 images |
| Miconia dodecandra Cogn. | 17 images |
| Miconia donaeana Naudin | 19 images |
| Miconia elata (Sw.) DC. | 59 images |
| Miconia formicosetosa Michelang. | 40 images |
| Miconia gracilis Triana | 45 images |
| Miconia holosericea (L.) DC. | 21 images |
| Miconia hondurensis Donn.Sm. | 29 images |
| Miconia ibaguensis Triana | 46 images |
| Miconia impetiolaris D.Don | 44 images |
| Miconia lacera (Bonpl.) Naudin | 64 images |
| Miconia laevigata (L.) DC. | 39 images |
| Miconia lateriflora Cogn. | 59 images |
| Miconia lonchophylla Naudin | 15 images |
| Miconia longicoma (Cogn.) Ocampo & Almeda | 41 images |
| Miconia longifolia (Aubl.) DC. | 79 images |
| Miconia matthaei Naudin | 19 images |
| Miconia minutiflora (Bonpl.) DC. | 37 images |
| Miconia mirabilis (Aubl.) L.O.Williams | 49 images |
| Miconia monantha (L.O.Williams) Michelang. | 7 images |
| Miconia nervosa Triana | 31 images |
| Miconia nutans Donn.Sm. | 32 images |
| Miconia octona (Bonpl.) Judd & Majure | 38 images |
| Miconia oinochrophylla Donn.Sm. | 44 images |
| Miconia petiolaris (Schltdl.) Michelang. | 1 images |
| Miconia prasina (Sw.) DC. | 75 images |
| Miconia punctata (Desr.) D.Don | 40 images |
| Miconia rubescens (Triana) Gamba & Almeda | 68 images |
| Miconia schlimii Triana | 17 images |
| Miconia secunmexicana Ocampo & Almeda | 23 images |
| Miconia sericea (D.Don) Michelang. | 70 images |
| Miconia serrulata (DC.) Naudin | 11 images |
| Miconia smaragdina Naudin | 21 images |
| Miconia splendens (Sw.) Griseb. | 7 images |
| Miconia stenostachya DC. | 8 images |
| Miconia strigillosa (Sw.) Judd & Ionta | 3 images |
| Miconia subhirsuta (DC.) M.Gómez | 24 images |
| Miconia subseriata (Naudin) R.Goldenb. & Michelang. | 10 images |
| Miconia sulcicaulis (Poepp. ex Naudin) Ocampo & Almeda | 4 images |
| Miconia tococa (Desr.) Michelang. | 75 images |
| Miconia tomentosa (Rich.) D.Don | 12 images |
| Miconia trichocalyx (Pittier) Michelang. & Judd | 29 images |
| Miconia trinervia D.Don ex Loudon | 81 images |
| Miconia triplinervis Ruiz & Pav. | 3 images |
| Miconia xalapensis (Bonpl.) M.Gómez | 129 images |
| Micranthemum umbrosum (J.F.Gmel.) S.F.Blake | 22 images |
| Micranthes californica (Greene) Small | 93 images |
| Microchilus lunifer (Schltr.) Ormerod | 3 images |
| Microchloa kunthii Desv. | 79 images |
| Microdesmia arborea (Seem.) Sothers & Prance | 44 images |
| Microgramma lycopodioides (L.) Copel. | 79 images |
| Microgramma nitida (J.Sm.) A.R.Sm. | 24 images |
| Microgramma percussa (Cav.) de la Sota | 4 images |
| Microgramma piloselloides (L.) Copel. | 2 images |
| Microgramma reptans (Cav.) A.R.Sm. | 20 images |
| Micropholis melinoniana Pierre | 8 images |
| Micropleura renifolia Lag. | 9 images |
| Microseris douglasii (DC.) Sch.Bip. | 13 images |
| Microseris heterocarpa (Nutt.) K.L.Chambers | 6 images |
| Microstachys corniculata (Vahl) A.Juss. ex Griseb. | 15 images |
| Mikania cordifolia (L.f.) Willd. | 67 images |
| Mikania guaco Bonpl. | 35 images |
| Mikania micrantha Kunth | 253 images |
| Mikania scandens (L.) Willd. | 279 images |
| Mikania tonduzii B.L.Rob. | 27 images |
| Mikania vitifolia DC. | 40 images |
| Milla biflora Cav. | 37 images |
| Milleria quinqueflora L. | 36 images |
| Mimetanthe pilosa (Benth.) Greene | 30 images |
| Mimosa aculeaticarpa Ortega | 43 images |
| Mimosa albida Humb. & Bonpl. ex Willd. | 79 images |
| Mimosa camporum Benth. | 41 images |
| Mimosa candollei R.Grether | 15 images |
| Mimosa diplotricha C.Wright | 62 images |
| Mimosa dormiens Humb. & Bonpl. ex Willd. | 1 images |
| Mimosa guilandinae (DC.) Barneby | 22 images |
| Mimosa monancistra Benth. | 9 images |
| Mimosa pigra L. | 333 images |
| Mimosa platycarpa Benth. | 19 images |
| Mimosa polydactyla Humb. & Bonpl. ex Willd. | 1 images |
| Mimosa pudica L. | 2954 images |
| Mimosa quadrivalvis L. | 282 images |
| Mimosa skinneri Benth. | 30 images |
| Mimosa somnians Humb. & Bonpl. ex Willd. | 28 images |
| Mimosa strigillosa Torr. & A.Gray | 3 images |
| Mimosa tarda Barneby | 47 images |
| Mimosa tenuiflora (Willd.) Poir. | 22 images |
| Mimosa tricephala Schltdl. & Cham. | 41 images |
| Mimosa velloziana Mart. | 28 images |
| Mimosa watsonii B.L.Rob. | 38 images |
| Mirabilis albida (Walter) Heimerl | 46 images |
| Mirabilis jalapa L. | 14875 images |
| Mirabilis laevis (Benth.) Curran | 177 images |
| Mirabilis linearis (Pursh) Heimerl | 13 images |
| Mirabilis longiflora L. | 269 images |
| Mirabilis melanotricha (Standl.) Spellenb. | 15 images |
| Mirabilis multiflora (Torr.) A.Gray | 148 images |
| Mirabilis nyctaginea (Michx.) MacMill. | 211 images |
| Miscanthus sinensis Andersson | 3339 images |
| Mitchella repens L. | 907 images |
| Mitracarpus hirtus (L.) DC. | 335 images |
| Mitreola petiolata (J.F.Gmel.) Torr. & A.Gray | 2 images |
| Modiola caroliniana (L.) G.Don | 198 images |
| Mollinedia viridiflora Tul. | 52 images |
| Mollugo verticillata L. | 319 images |
| Moluccella laevis L. | 272 images |
| Momordica charantia L. | 1845 images |
| Monarda citriodora Cerv. ex Lag. | 370 images |
| Monarda fistulosa L. | 2174 images |
| Monarda punctata L. | 350 images |
| Monardella linoides A.Gray | 2 images |
| Monardella macrantha A.Gray | 2 images |
| Monardella nana A.Gray | 1 images |
| Monnina sylvatica Schltdl. & Cham. | 1 images |
| Monnina wrightii A.Gray | 4 images |
| Monochaetum floribundum Naudin | 16 images |
| Monoptilon bellioides H.M.Hall | 57 images |
| Monopyle puberula C.V.Morton | 6 images |
| Monotropa hypopitys L. | 1057 images |
| Monotropa uniflora L. | 1087 images |
| Monstera acuminata K.Koch | 1 images |
| Monstera adansonii Schott | 3233 images |
| Monstera deliciosa Liebm. | 9049 images |
| Monstera dubia (Kunth) Engl. & K.Krause | 52 images |
| Monstera punctulata (Schott) Schott ex Engl. | 17 images |
| Monstera siltepecana Matuda | 142 images |
| Monstera tuberculata Lundell | 46 images |
| Montanoa bipinnatifida (Kunth) K.Koch | 115 images |
| Montanoa grandiflora DC. | 1 images |
| Montanoa hibiscifolia Benth. | 271 images |
| Montanoa leucantha (Lag.) S.F.Blake | 7 images |
| Montanoa tomentosa Cerv. | 16 images |
| Montia chamissoi (Ledeb. ex Spreng.) Greene | 5 images |
| Montia fontana L. | 251 images |
| Moorochloa eruciformis (Sm.) Veldkamp | 9 images |
| Moquilea platypus Hemsl. | 42 images |
| Morangaya pensilis (K.Brandegee) G.D.Rowley | 2 images |
| Morinda citrifolia L. | 1854 images |
| Morinda panamensis Seem. | 22 images |
| Morinda royoc L. | 20 images |
| Morisonia americana L. | 3 images |
| Morisonia amplissima (Lam.) Christenh. & Byng | 13 images |
| Morisonia atamisquea (Kuntze) Christenh. & Byng | 20 images |
| Morisonia cynophallophora (L.) Christenh. & Byng | 51 images |
| Morisonia discolor (Donn.Sm.) Christenh. & Byng | 22 images |
| Morisonia flexuosa L. | 240 images |
| Morisonia frondosa (Jacq.) Christenh. & Byng | 14 images |
| Morisonia indica (L.) ined. | 71 images |
| Morisonia mollicella (Standl.) Christenh. & Byng | 15 images |
| Morisonia morenoi (Cornejo & Iltis) Christenh. & Byng | 18 images |
| Morisonia odoratissima (Jacq.) Christenh. & Byng | 32 images |
| Morisonia paradoxa (Jacq.) Christenh. & Byng | 9 images |
| Morisonia verrucosa (Jacq.) Christenh. & Byng | 14 images |
| Morronea arundinariae (Trin. ex E.Fourn.) Zuloaga & Scataglini | 4 images |
| Morronea parviglumis (Hack.) Zuloaga & Scataglini | 3 images |
| Mortonia scabrella A.Gray | 1 images |
| Mortoniodendron costaricense Standl. & L.O.Williams | 50 images |
| Morus alba L. | 11492 images |
| Morus celtidifolia Kunth | 78 images |
| Mosquitoxylum jamaicense Krug & Urb. | 85 images |
| Mouriri gleasoniana Standl. | 76 images |
| Mouriri myrtilloides Poir. | 13 images |
| Mucuna holtonii (Kuntze) Moldenke | 92 images |
| Mucuna pruriens (L.) DC. | 230 images |
| Mucuna sloanei Fawc. & Rendle | 48 images |
| Muehlenbeckia platyclada (F.Muell.) Meisn. | 305 images |
| Muehlenbeckia volcanica (Benth.) Endl. | 32 images |
| Muellera monilis (L.) M.J.Silva & A.M.G.Azevedo | 9 images |
| Muhlenbergia capillaris (Lam.) Trin. | 219 images |
| Muhlenbergia dumosa Scribn. ex Vasey | 5 images |
| Muhlenbergia emersleyi Vasey | 1 images |
| Muhlenbergia fragilis Swallen | 1 images |
| Muhlenbergia lindheimeri Hitchc. | 27 images |
| Muhlenbergia longiligula Hitchc. | 1 images |
| Muhlenbergia mexicana (L.) Trin. | 5 images |
| Muhlenbergia microsperma (DC.) Kunth | 4 images |
| Muhlenbergia pauciflora Buckley | 7 images |
| Muhlenbergia peruviana (P.Beauv.) Steud. | 5 images |
| Muhlenbergia porteri Scribn. | 10 images |
| Muhlenbergia reverchonii Vasey & Scribn. | 2 images |
| Muhlenbergia rigens (Benth.) Hitchc. | 24 images |
| Muhlenbergia schreberi J.F.Gmel. | 6 images |
| Muhlenbergia torreyi (Kunth) Hitchc. ex Bush | 1 images |
| Muhlenbergia tricholepis (Torr.) P.M.Peterson | 3 images |
| Muilla maritima (Torr.) S.Watson ex Benth. | 31 images |
| Muntingia calabura L. | 768 images |
| Murdannia nudiflora (L.) Brenan | 134 images |
| Murraya paniculata (L.) Jack | 2208 images |
| Musa × paradisiaca L. | 1511 images |
| Musa ornata Roxb. | 80 images |
| Muscarella fimbriata (Ames & C.Schweinf.) Luer | 4 images |
| Myoporum laetum G.Forst. | 1577 images |
| Myrcia chytraculia (L.) A.R.Lourenço & E.Lucas | 6 images |
| Myrcia hylobates (Standl. ex Amshoff) E.Lucas & K.Samra | 7 images |
| Myrcia splendens (Sw.) DC. | 215 images |
| Myrcianthes fragrans (Sw.) McVaugh | 45 images |
| Myrciaria floribunda (H.West ex Willd.) O.Berg | 94 images |
| Myrica cerifera L. | 590 images |
| Myriocarpa cordifolia Liebm. | 10 images |
| Myriocarpa longipes Liebm. | 35 images |
| Myriophyllum aquaticum (Vell.) Verdc. | 570 images |
| Myriophyllum heterophyllum Michx. | 9 images |
| Myriophyllum quitense Kunth | 12 images |
| Myriopus maculatus (Jacq.) Feuillet | 29 images |
| Myriopus volubilis (L.) Small | 5 images |
| Myrmecophila brysiana (Lem.) G.C.Kenn. | 1 images |
| Myrmecophila tibicinis (Bateman ex Lindl.) Rolfe | 60 images |
| Myrospermum frutescens Jacq. | 19 images |
| Myroxylon balsamum (L.) Harms | 18 images |
| Myroxylon peruiferum L.f. | 27 images |
| Myrrhidendron donnellsmithii J.M.Coult. & Rose | 16 images |
| Myrsine coriacea (Sw.) R.Br. ex Roem. & Schult. | 71 images |
| Myrsine cubana A.DC. | 1 images |
| Myrsine pellucidopunctata Oerst. | 65 images |
| Myrtillocactus cochal (Orcutt) Britton & Rose | 14 images |
| Myrtillocactus geometrizans (Mart. ex Pfeiff.) Console | 645 images |
| Myrtillocactus schenckii (J.A.Purpus) Britton & Rose | 3 images |
| Nahuatlea hypoleuca (DC.) V.A.Funk | 4 images |
| Najas guadalupensis (Spreng.) Magnus | 14 images |
| Najas marina L. | 115 images |
| Nama demissa A.Gray | 2 images |
| Nama havardii A.Gray | 14 images |
| Nama jamaicensis L. | 2 images |
| Nanogalactia heterophylla (Gillies ex Hook.) L.P.Queiroz | 6 images |
| Napeanthus bracteatus C.V.Morton | 10 images |
| Narcissus tazetta L. | 3118 images |
| Nasa triphylla (Juss.) Weigend | 15 images |
| Nassella cernua (Stebbins & Love) Barkworth | 2 images |
| Nassella lepida (Hitchc.) Barkworth | 8 images |
| Nassella pulchra (Hitchc.) Barkworth | 19 images |
| Nassella tenuissima (Trin.) Barkworth | 1179 images |
| Nasturtium gambelii (S.Watson) O.E.Schulz | 2 images |
| Nasturtium officinale W.T.Aiton | 700 images |
| Navarretia hamata Greene | 5 images |
| Navarretia intertexta (Benth.) Hook. | 26 images |
| Nectandra belizensis (Lundell) C.K.Allen | 15 images |
| Nectandra cissiflora Nees | 40 images |
| Nectandra cuspidata Nees & Mart. | 40 images |
| Nectandra hihua (Ruiz & Pav.) Rohwer | 54 images |
| Nectandra lineata (Kunth) Rohwer | 11 images |
| Nectandra membranacea (Sw.) Griseb. | 126 images |
| Nectandra turbacensis (Kunth) Nees | 13 images |
| Nectandra villosa Nees & Mart. | 90 images |
| Nectouxia formosa Kunth | 2 images |
| Neea amplifolia Donn.Sm. | 22 images |
| Neea psychotrioides Donn.Sm. | 79 images |
| Nelsonia canescens (Lam.) Spreng. | 59 images |
| Nelumbo lutea (Willd.) Pers. | 5 images |
| Nemacaulis denudata Nutt. | 40 images |
| Nemacladus glandulifer Jeps. | 21 images |
| Nemacladus tenuis (McVaugh) Morin | 14 images |
| Nemophila menziesii Hook. & Arn. | 393 images |
| Nemophila pedunculata Douglas ex Benth. | 6 images |
| Nemophila spatulata Coville | 16 images |
| Neogaerrhinum filipes (A.Gray) Rothm. | 18 images |
| Neogaerrhinum strictum (Hook. & Arn.) Rothm. | 3 images |
| Neomirandea araliifolia (Less.) R.M.King & H.Rob. | 14 images |
| Nephrolepis biserrata (Sw.) Schott | 1083 images |
| Nephrolepis brownii (Desv.) Hovenkamp & Miyam. | 30 images |
| Nephrolepis cordifolia (L.) C.Presl | 672 images |
| Nephrolepis exaltata (L.) Schott | 2946 images |
| Nephrolepis obtusiloba A.Rojas | 6 images |
| Nephrolepis pectinata (Willd.) Schott | 6 images |
| Nephrolepis rivularis (Vahl) Mett. | 13 images |
| Nephrolepis undulata (Afzel. ex Sw.) J.Sm. | 14 images |
| Neptunia oleracea Lour. | 53 images |
| Neptunia plena (L.) Benth. | 116 images |
| Neptunia pubescens Benth. | 23 images |
| Nerisyrenia camporum (A.Gray) Greene | 8 images |
| Nerium oleander L. | 23234 images |
| Nertera granadensis (Mutis ex L.f.) Druce | 200 images |
| Neurolaena lobata (L.) Cass. | 138 images |
| Neyraudia reynaudiana (Kunth) Keng ex Hitchc. | 18 images |
| Nicandra physalodes (L.) Gaertn. | 2875 images |
| Nicolletia occidentalis A.Gray | 14 images |
| Nicotiana acuminata (Graham) Hook. | 29 images |
| Nicotiana glauca Graham | 3593 images |
| Nicotiana obtusifolia M.Martens & Galeotti | 1 images |
| Nicotiana plumbaginifolia Viv. | 50 images |
| Nicotiana repanda Willd. ex Lehm. | 1 images |
| Nicotiana rustica L. | 351 images |
| Nicotiana tabacum L. | 2784 images |
| Nidema boothii (Lindl.) Schltr. | 14 images |
| Nigella damascena L. | 12969 images |
| Niphidium crassifolium (L.) Lellinger | 96 images |
| Nissolia fruticosa Jacq. | 2 images |
| Nissolia platycalyx S.Watson | 1 images |
| Noccaea fendleri (A.Gray) Holub | 36 images |
| Nolina beldingii Brandegee | 8 images |
| Nolina bigelovii (Torr.) S.Watson | 2 images |
| Nolina erumpens (Torr.) S.Watson | 1 images |
| Nolina hibernica Hochstätter & D.Donati | 2 images |
| Nolina microcarpa S.Watson | 12 images |
| Nolina nelsonii Rose | 4 images |
| Nolina parryi S.Watson | 19 images |
| Nolina parviflora (Kunth) Hemsl. | 91 images |
| Nolina texana S.Watson | 25 images |
| Nothoscordum bivalve (L.) Britton | 619 images |
| Nothoscordum gracile (Aiton) Stearn | 763 images |
| Notopleura anomothyrsa (K.Schum. & Donn.Sm.) C.M.Taylor | 58 images |
| Notopleura parasitica (Sw.) Hammel | 19 images |
| Notopleura siggersiana (Standl.) C.M.Taylor | 12 images |
| Notopleura tolimensis (Wernham) C.M.Taylor | 7 images |
| Notopleura uliginosa (Sw.) Bremek. | 88 images |
| Notylia barkeri Lindl. | 3 images |
| Nuttallanthus canadensis (L.) D.A.Sutton | 18 images |
| Nyctaginia capitata Choisy | 45 images |
| Nyctocereus serpentinus (Lag. & Rodr.) Britton & Rose | 2 images |
| Nymphaea amazonum Mart. & Zucc. | 3 images |
| Nymphaea ampla (Salisb.) DC. | 154 images |
| Nymphaea conardii Wiersema | 15 images |
| Nymphaea elegans Hook. | 27 images |
| Nymphaea gracilis Zucc. | 2 images |
| Nymphaea mexicana Zucc. | 175 images |
| Nymphaea odorata Aiton | 412 images |
| Nymphaea rudgeana G.Mey. | 1 images |
| Nymphoides humboldtiana (Kunth) Kuntze | 3 images |
| Nyssa sylvatica Marshall | 1009 images |
| Obregonia denegrii Frič | 30 images |
| Ocellochloa pulchella (Raddi) Zuloaga & Morrone | 4 images |
| Ocellochloa stolonifera (Poir.) Zuloaga & Morrone | 12 images |
| Ochroma pyramidale (Cav. ex Lam.) Urb. | 181 images |
| Ocimum × africanum Lour. | 31 images |
| Ocimum americanum L. | 981 images |
| Ocimum basilicum L. | 9291 images |
| Ocimum campechianum Mill. | 228 images |
| Ocimum carnosum (Spreng.) Link & Otto ex Benth. | 57 images |
| Ocimum gratissimum L. | 573 images |
| Ocotea laetevirens Standl. & Steyerm. | 15 images |
| Ocotea leptobotra (Ruiz & Pav.) Mez | 104 images |
| Ocotea leucoxylon (Sw.) Laness. | 85 images |
| Ocotea macrophylla Kunth | 36 images |
| Ocotea oblonga (Meisn.) Mez | 47 images |
| Ocotea puberula (Rich.) Nees | 99 images |
| Ocotea sinuata (Mez) Rohwer | 11 images |
| Odontadenia semidigyna (P.J.Bergius) J.F.Morales | 34 images |
| Odontonema callistachyum (Schltdl. & Cham.) Kuntze | 36 images |
| Odontonema cuspidatum (Nees) Kuntze | 901 images |
| Odontonema tubaeforme (Bertol.) Kuntze | 128 images |
| Oecopetalum mexicanum Greenm. & C.H.Thomps. | 1 images |
| Oenothera albicaulis Pursh | 60 images |
| Oenothera biennis L. | 14390 images |
| Oenothera brachycarpa A.Gray | 4 images |
| Oenothera cespitosa Nutt. | 50 images |
| Oenothera drummondii Hook. | 204 images |
| Oenothera elata Kunth | 185 images |
| Oenothera flava (A.Nelson) Garrett | 39 images |
| Oenothera grandis Smyth | 2 images |
| Oenothera hartwegii Benth. | 67 images |
| Oenothera havardii S.Watson | 2 images |
| Oenothera kunthiana (Spach) Munz | 1 images |
| Oenothera laciniata Hill | 562 images |
| Oenothera lavandulifolia Torr. & A.Gray | 3 images |
| Oenothera macrocarpa Nutt. | 629 images |
| Oenothera pallida Lindl. | 39 images |
| Oenothera primiveris A.Gray | 32 images |
| Oenothera rosea L'Hér. ex Aiton | 1367 images |
| Oenothera speciosa Nutt. | 3073 images |
| Oenothera suffrutescens (Moc. & Sessé ex Ser.) W.L.Wagner & Hoch | 88 images |
| Oenothera tetraptera Cav. | 15 images |
| Oenothera toumeyi (Small) Tidestr. | 2 images |
| Oenothera triloba Nutt. | 83 images |
| Oldenlandia corymbosa L. | 450 images |
| Oldenlandia lancifolia (Schumach.) DC. | 50 images |
| Olea europaea L. | 18289 images |
| Oleandra articulata (Sw.) C.Presl | 12 images |
| Olfersia cervina (L.) Kunze | 31 images |
| Oligomeris linifolia (Vahl ex Hornem.) J.F.Macbr. | 10 images |
| Olneya tesota A.Gray | 12 images |
| Olyra latifolia L. | 60 images |
| Oncidium brachyandrum Lindl. | 2 images |
| Oncidium cheirophorum Rchb.f. | 24 images |
| Oncidium ensatum Lindl. | 7 images |
| Oncidium leleui R.Jiménez & Soto Arenas | 108 images |
| Oncidium leucochilum Bateman ex Lindl. | 13 images |
| Oncidium maculatum (Lindl.) Lindl. | 3 images |
| Oncidium sotoanum R.Jiménez & Hágsater | 8 images |
| Oncidium sphacelatum Lindl. | 89 images |
| Oncidium stenoglossum (Schltr.) Dressler & N.H.Williams | 2 images |
| Oncidium tigrinum Lex. | 1 images |
| Onoseris onoseroides (Kunth) B.L.Rob. | 12 images |
| Operculina hamiltonii (G.Don) D.F.Austin & Staples | 5 images |
| Operculina pinnatifida (Kunth) O'Donell | 8 images |
| Operculina pteripes (G.Don) O'Donell | 17 images |
| Ophioglossum californicum Prantl | 12 images |
| Ophioglossum crotalophoroides Walter | 4 images |
| Ophioglossum engelmannii Prantl | 12 images |
| Ophioglossum petiolatum Hook. | 10 images |
| Ophioglossum polyphyllum A.Braun ex Seub. | 1 images |
| Ophioglossum reticulatum L. | 15 images |
| Ophioglossum vulgatum L. | 354 images |
| Oplismenus burmanni (Retz.) P.Beauv. | 37 images |
| Oplismenus compositus (L.) P.Beauv. | 35 images |
| Oplismenus hirtellus (L.) P.Beauv. | 11 images |
| Opuntia × cochinera Griffiths | 5 images |
| Opuntia aciculata Griffiths | 118 images |
| Opuntia atrispina Griffiths | 6 images |
| Opuntia azurea Rose | 7 images |
| Opuntia basilaris Engelm. & J.M.Bigelow | 12 images |
| Opuntia chlorotica Engelm. & J.M.Bigelow | 3 images |
| Opuntia cochenillifera (L.) Mill. | 419 images |
| Opuntia crassa Haw. | 1 images |
| Opuntia decumbens Salm-Dyck | 5 images |
| Opuntia dejecta Salm-Dyck | 9 images |
| Opuntia dillenii (Ker Gawl.) Haw. | 194 images |
| Opuntia engelmannii Salm-Dyck ex Engelm. | 653 images |
| Opuntia ficus-indica (L.) Mill. | 6571 images |
| Opuntia gosseliniana F.A.C.Weber | 5 images |
| Opuntia guatemalensis Britton & Rose | 3 images |
| Opuntia huajuapensis Bravo | 1 images |
| Opuntia humifusa (Raf.) Raf. | 1159 images |
| Opuntia hyptiacantha F.A.C.Weber | 8 images |
| Opuntia lasiacantha Pfeiff. | 2 images |
| Opuntia leucotricha DC. | 448 images |
| Opuntia littoralis (Engelm.) Cockerell | 367 images |
| Opuntia lutea (Rose) D.R.Hunt | 2 images |
| Opuntia macrocentra Engelm. | 223 images |
| Opuntia macrorhiza Engelm. | 71 images |
| Opuntia maxima Mill. | 583 images |
| Opuntia microdasys (Lehm.) Pfeiff. | 4889 images |
| Opuntia orbiculata Salm-Dyck ex Pfeiff. | 78 images |
| Opuntia oricola Philbrick | 66 images |
| Opuntia phaeacantha Engelm. | 517 images |
| Opuntia pilifera F.A.C.Weber | 8 images |
| Opuntia polyacantha Haw. | 492 images |
| Opuntia pubescens H.L.Wendl. ex Pfeiff. | 6 images |
| Opuntia pycnantha Engelm. | 9 images |
| Opuntia rastrera F.A.C.Weber | 4 images |
| Opuntia robusta H.L.Wendl. ex Pfeiff. | 59 images |
| Opuntia rufida Engelm. | 47 images |
| Opuntia spinulifera Salm-Dyck | 1 images |
| Opuntia streptacantha Lem. | 3 images |
| Opuntia stricta (Haw.) Haw. | 1418 images |
| Opuntia strigil Engelm. | 4 images |
| Opuntia tapona Engelm. ex J.M.Coult. | 5 images |
| Opuntia tomentosa Salm-Dyck | 622 images |
| Orcuttia californica Vasey | 2 images |
| Oreochrysum parryi Rydb. | 8 images |
| Oreopanax capitatus (Jacq.) Decne. & Planch. | 81 images |
| Oreopanax dactylifolius T.Moore | 17 images |
| Oreopanax echinops (Schltdl. & Cham.) Decne. & Planch. | 10 images |
| Oreopanax nymphaeifolius (Hibberd) Decne. & Planch. ex G.Nicholson | 27 images |
| Oreopanax xalapensis (Kunth) Decne. & Planch. | 15 images |
| Origanum vulgare L. | 19454 images |
| Ormosia macrocalyx Ducke | 3 images |
| Ormosia panamensis Benth. | 6 images |
| Ormosia velutina Rudol | 25 images |
| Ornithocephalus bicornis Lindl. | 7 images |
| Ornithocephalus inflexus Lindl. | 1 images |
| Ornithogalum thyrsoides Jacq. | 452 images |
| Ornithostaphylos oppositifolia (Parry) Small | 12 images |
| Orobanche californica Cham. & Schltdl. | 2 images |
| Orobanche cooperi (A.Gray) A.Heller | 35 images |
| Orobanche fasciculata Nutt. | 138 images |
| Orobanche ludoviciana Nutt. | 11 images |
| Orobanche parishii (Jeps.) Heckard | 43 images |
| Orthilia secunda (L.) House | 472 images |
| Orthoclada laxa (Rich.) P.Beauv. | 9 images |
| Orthopappus angustifolius (Sw.) Gleason | 16 images |
| Orthrosanthus chimboracensis (Kunth) Baker | 19 images |
| Oryctanthus cordifolius (C.Presl) Urb. | 5 images |
| Oryza latifolia Desv. | 12 images |
| Oryza rufipogon Griff. | 1 images |
| Oryza sativa L. | 459 images |
| Osmunda spectabilis Willd. | 4 images |
| Osmundastrum cinnamomeum (L.) C.Presl | 166 images |
| Ostrya virginiana (Mill.) K.Koch | 335 images |
| Otatea acuminata (Munro) C.E.Calderón ex Soderstr. | 20 images |
| Otopappus verbesinoides Benth. | 2 images |
| Ottoschulzia pallida Lundell | 1 images |
| Ouratea acuminata (DC.) Engl. | 8 images |
| Ouratea lucens (Kunth) Engl. | 4 images |
| Oxalis corniculata L. | 9137 images |
| Oxalis debilis Kunth | 2946 images |
| Oxalis decaphylla Kunth | 8 images |
| Oxalis dichondrifolia A.Gray | 4 images |
| Oxalis dillenii Jacq. | 2491 images |
| Oxalis divergens Benth. ex Lindl. | 1 images |
| Oxalis drummondii A.Gray | 57 images |
| Oxalis frutescens L. | 87 images |
| Oxalis lasiandra Zucc. | 21 images |
| Oxalis latifolia Kunth | 2548 images |
| Oxalis macrantha (Trel.) Small | 12 images |
| Oxalis pes-caprae L. | 7681 images |
| Oxalis stricta L. | 2390 images |
| Oxalis tetraphylla Cav. | 1480 images |
| Oxalis violacea L. | 580 images |
| Oxalis vulcanicola Donn.Sm. | 5 images |
| Oxandra venezuelana R.E.Fr. | 8 images |
| Oxybasis glauca (L.) S.Fuentes, Uotila & Borsch | 249 images |
| Oxybasis rubra (L.) S.Fuentes, Uotila & Borsch | 642 images |
| Oxylobus arbutifolius (Kunth) A.Gray | 34 images |
| Oxypetalum cordifolium (Vent.) Schltr. | 1 images |
| Oxyrhynchus trinervius (Donn.Sm.) Rudd | 14 images |
| Oxyrhynchus volubilis Brandegee | 4 images |
| Pachira aquatica Aubl. | 2613 images |
| Pachycereus pecten-aboriginum (Engelm. ex S.Watson) Britton & Rose | 99 images |
| Pachycereus pringlei (S.Watson) Britton & Rose | 206 images |
| Pachycereus weberi (J.M.Coult.) Backeb. | 3 images |
| Pachycormus discolor (Benth.) Coville ex Standl. | 8 images |
| Pachyphytum brachetii J.Reyes, O.González & A.Gut. | 1 images |
| Pachyphytum bracteosum Link, Klotzsch & Otto | 26 images |
| Pachyphytum brevifolium Rose | 3 images |
| Pachyphytum caesium Kimnach & R.C.Moran | 1 images |
| Pachyphytum coeruleum J.Meyrán | 3 images |
| Pachyphytum compactum Rose | 772 images |
| Pachyphytum cuicatecanum (J.Reyes, Joel Pérez & Brachet) Kimnach | 3 images |
| Pachyphytum fittkaui Moran | 15 images |
| Pachyphytum garciae Pérez-Calix & Glass | 1 images |
| Pachyphytum glutinicaule Moran | 16 images |
| Pachyphytum hookeri (Salm-Dyck) A.Berger | 19 images |
| Pachyphytum kimnachii Moran | 91 images |
| Pachyphytum longifolium Rose | 5 images |
| Pachyphytum oviferum J.A.Purpus | 8 images |
| Pachyphytum rogeliocardenasii Pérez-Calix & R.Torres | 1 images |
| Pachyphytum rzedowskii I.García, Pérez-Calix & J.Meyrán | 5 images |
| Pachyphytum saltensis Brachet, J.Reyes & R.Mondragón | 1 images |
| Pachyphytum viride E.Walther | 20 images |
| Pachyphytum werdermannii Poelln. | 14 images |
| Pachyrhizus erosus (L.) Urb. | 115 images |
| Pachyrhizus ferrugineus (Piper) M.Sørensen | 6 images |
| Pachystachys spicata (Ruiz & Pav.) Wassh. | 9 images |
| Paeonia californica Nutt. | 104 images |
| Paepalanthus fluviatilis (Aubl.) Christenh. & Byng | 7 images |
| Palafoxia sphacelata (Nutt. ex Torr.) Cory | 8 images |
| Palafoxia texana DC. | 13 images |
| Palicourea acuminata (Benth.) Borhidi | 52 images |
| Palicourea axillaris (Sw.) Borhidi | 30 images |
| Palicourea berteroana (DC.) Borhidi | 28 images |
| Palicourea brachiata (Sw.) Borhidi | 54 images |
| Palicourea crocea (Sw.) Schult. | 64 images |
| Palicourea cyanococca (Seem. ex Dombrain) Borhidi | 81 images |
| Palicourea deflexa (DC.) Borhidi | 54 images |
| Palicourea elata (Sw.) Borhidi | 70 images |
| Palicourea glomerulata (Donn.Sm.) Borhidi | 25 images |
| Palicourea gracilenta (Müll.Arg.) Delprete & J.H.Kirkbr. | 19 images |
| Palicourea guianensis Aubl. | 157 images |
| Palicourea hebeclada (DC.) Borhidi | 16 images |
| Palicourea hoffmannseggiana (Willd. ex Schult.) Borhidi | 11 images |
| Palicourea padifolia (Willd. ex Schult.) C.M.Taylor & Lorence | 23 images |
| Palicourea pubescens (Sw.) Borhidi | 50 images |
| Palicourea racemosa (Aubl.) G.Nicholson | 94 images |
| Palicourea tetragona (Donn.Sm.) C.M.Taylor | 53 images |
| Palicourea tomentosa (Aubl.) Borhidi | 170 images |
| Palicourea triphylla DC. | 31 images |
| Palicourea violacea (Aubl.) A.Rich. | 7 images |
| Palicourea winkleri Borhidi | 20 images |
| Pandanus tectorius Parkinson ex Du Roi | 736 images |
| Panicum amarum Elliott | 10 images |
| Panicum aquaticum Poir. | 15 images |
| Panicum capillare L. | 666 images |
| Panicum coloratum L. | 58 images |
| Panicum dichotomiflorum Michx. | 81 images |
| Panicum haenkeanum J.Presl | 4 images |
| Panicum hirsutum Sw. | 5 images |
| Panicum hirtum Lam. | 1 images |
| Panicum hispidifolium Swallen | 9 images |
| Panicum repens L. | 82 images |
| Panicum rudgei Roem. & Schult. | 5 images |
| Panicum trichanthum Nees | 14 images |
| Panicum trichoides Sw. | 29 images |
| Panicum urvilleanum Kunth | 1 images |
| Panicum virgatum L. | 943 images |
| Papaver somniferum L. | 10389 images |
| Pappophorum mucronulatum Nees | 3 images |
| Pappostipa speciosa (Trin. & Rupr.) Romasch. | 9 images |
| Parapholis cylindrica (Willd.) Romero Zarco | 20 images |
| Parapholis incurva (L.) C.E.Hubb. | 85 images |
| Parapolystichum excultum (Mett.) Labiak, Sundue & R.C.Moran | 19 images |
| Parathesis microcalyx Donn.Sm. | 1 images |
| Parathesis trichogyne Hemsl. | 11 images |
| Parietaria floridana Nutt. | 63 images |
| Parietaria pensylvanica Muhl. ex Willd. | 199 images |
| Parkinsonia aculeata L. | 2065 images |
| Parkinsonia florida (Benth. ex A.Gray) S.Watson | 22 images |
| Parkinsonia microphylla Torr. | 13 images |
| Parkinsonia praecox (Ruiz & Pav.) Hawkins | 46 images |
| Parmentiera aculeata (Kunth) Seem. | 88 images |
| Parnassia cirrata Piper | 15 images |
| Paronychia virginica Spreng. | 12 images |
| Parthenium argentatum A.Gray | 7 images |
| Parthenium confertum A.Gray | 4 images |
| Parthenium hysterophorus L. | 1092 images |
| Parthenium incanum Kunth | 31 images |
| Parthenocissus quinquefolia (L.) Planch. | 15886 images |
| Parthenocissus vitacea (Knerr) Hitchc. | 3 images |
| Paspalum centrale Chase | 1 images |
| Paspalum conjugatum P.J.Bergius | 31 images |
| Paspalum decumbens Sw. | 14 images |
| Paspalum dilatatum Poir. | 1180 images |
| Paspalum distichum L. | 259 images |
| Paspalum fasciculatum Willd. ex Flüggé | 19 images |
| Paspalum fimbriatum Kunth | 26 images |
| Paspalum humboldtianum Flüggé | 9 images |
| Paspalum malacophyllum Trin. | 4 images |
| Paspalum melanospermum Desv. ex Poir. | 1 images |
| Paspalum multicaule Poir. | 1 images |
| Paspalum notatum Flüggé | 43 images |
| Paspalum nutans Lam. | 7 images |
| Paspalum paniculatum L. | 63 images |
| Paspalum pectinatum Nees | 5 images |
| Paspalum pilosum Lam. | 5 images |
| Paspalum plicatulum Michx. | 31 images |
| Paspalum repens P.J.Bergius | 167 images |
| Paspalum saccharoides Nees ex Trin. | 6 images |
| Paspalum scrobiculatum L. | 21 images |
| Paspalum setaceum Michx. | 13 images |
| Paspalum urvillei Steud. | 90 images |
| Paspalum vaginatum Sw. | 41 images |
| Paspalum virgatum L. | 39 images |
| Passiflora adenopoda DC. | 40 images |
| Passiflora affinis Engelm. | 5 images |
| Passiflora alata Curtis | 112 images |
| Passiflora ambigua Hemsl. | 76 images |
| Passiflora arida (Mast. & Rose) Killip | 2 images |
| Passiflora biflora Lam. | 71 images |
| Passiflora bryonioides Kunth | 4 images |
| Passiflora capsularis L. | 27 images |
| Passiflora ciliata Aiton | 21 images |
| Passiflora costaricensis Killip | 18 images |
| Passiflora edulis Sims | 3558 images |
| Passiflora exsudans Zucc. | 2 images |
| Passiflora filipes Benth. | 5 images |
| Passiflora foetida L. | 1366 images |
| Passiflora guatemalensis S.Watson | 1 images |
| Passiflora holosericea L. | 10 images |
| Passiflora lancearia Mast. | 26 images |
| Passiflora ligularis Juss. | 256 images |
| Passiflora mexicana Juss. | 2 images |
| Passiflora morifolia Mast. | 19 images |
| Passiflora obtusifolia Sessé & Moc. | 24 images |
| Passiflora oerstedii Mast. | 23 images |
| Passiflora pallida L. | 14 images |
| Passiflora pedata L. | 2 images |
| Passiflora platyloba Killip | 43 images |
| Passiflora quadrangularis L. | 431 images |
| Passiflora seemannii Griseb. | 7 images |
| Passiflora serratifolia L. | 3 images |
| Passiflora sexflora Juss. | 3 images |
| Passiflora suberosa L. | 260 images |
| Passiflora subpeltata Ortega | 28 images |
| Passiflora tarminiana Coppens & V.E.Barney | 9 images |
| Passiflora tenuiloba Engelm. | 7 images |
| Passiflora tripartita (Juss.) Poir. | 612 images |
| Passiflora vitifolia Kunth | 461 images |
| Passovia pyrifolia (Kunth) Tiegh. | 24 images |
| Paullinia austin-smithii Standl. | 47 images |
| Paullinia clavigera Schltdl. | 6 images |
| Paullinia costaricensis Radlk. | 5 images |
| Paullinia cururu L. | 15 images |
| Paullinia pinnata L. | 136 images |
| Paullinia tomentosa Jacq. | 1 images |
| Paullinia turbacensis Kunth | 3 images |
| Pavonia cancellata (L.) Cav. | 61 images |
| Pavonia hastata Cav. | 159 images |
| Pavonia lasiopetala Scheele | 40 images |
| Pavonia malacophylla (Link & Otto) Garcke | 1 images |
| Pavonia schiedeana Steud. | 108 images |
| Paxistima myrsinites (Pursh) Raf. | 86 images |
| Pecluma consimilis (Mett.) M.G.Price | 3 images |
| Pecluma dulcis (Poir.) F.C.Assis & Salino | 1 images |
| Pecluma hygrometrica (Splitg.) M.G.Price | 5 images |
| Pecluma plumula (Humb. & Bonpl. ex Willd.) M.G.Price | 78 images |
| Pectis angustifolia Torr. | 9 images |
| Pectis bonplandiana Kunth | 7 images |
| Pectis elongata Kunth | 47 images |
| Pectis linifolia L. | 2 images |
| Pectis papposa Harv. & A.Gray | 10 images |
| Pectis prostrata Cav. | 32 images |
| Pectocarya peninsularis I.M.Johnst. | 5 images |
| Pectocarya setosa A.Gray | 21 images |
| Pedicularis angustifolia Benth. | 5 images |
| Pedicularis canadensis L. | 204 images |
| Pedicularis densiflora Benth. | 75 images |
| Pediomelum rhombifolium (Torr. & A.Gray) Rydb. | 1 images |
| Pelargonium graveolens L'Hér. | 6522 images |
| Pelargonium peltatum (L.) L'Hér. | 2252 images |
| Pelargonium zonale (L.) L'Hér. | 4521 images |
| Pelecyphora aselliformis C.Ehrenb. | 11 images |
| Pelecyphora strobiliformis (Werderm.) Frič & Schelle ex Kreuz. | 3 images |
| Pelexia funckiana (A.Rich. & Galeotti) Schltr. | 6 images |
| Peltaea trinervis (C.Presl) Krapov. & Cristóbal | 11 images |
| Peltophorum dubium (Spreng.) Taub. | 194 images |
| Peltostigma guatemalense (Standl. & Steyerm.) Gereau | 26 images |
| Peniocereus greggii (Engelm.) Britton & Rose | 33 images |
| Peniocereus marianus (Gentry) Sánchez-Mej. | 1 images |
| Peniocereus striatus (Brandegee) Buxb. | 2 images |
| Peniocereus viperinus (F.A.C.Weber) Kreuz. | 2 images |
| Peniocereus zopilotensis (J.Meyrán) Buxb. | 1 images |
| Penstemon ambiguus Torr. | 23 images |
| Penstemon baccharifolius Hook. | 26 images |
| Penstemon barbatus (Cav.) Roth | 939 images |
| Penstemon campanulatus (Cav.) Willd. | 2 images |
| Penstemon centranthifolius (Benth.) Benth. | 85 images |
| Penstemon clevelandii A.Gray | 46 images |
| Penstemon dasyphyllus A.Gray | 4 images |
| Penstemon gentianoides (Kunth) Poir. | 46 images |
| Penstemon glaber Pursh | 20 images |
| Penstemon hartwegii Benth. | 149 images |
| Penstemon havardii A.Gray | 4 images |
| Penstemon jamesii Benth. | 14 images |
| Penstemon linarioides A.Gray | 19 images |
| Penstemon pallidus Small | 33 images |
| Penstemon parryi A.Gray | 36 images |
| Penstemon pinifolius Greene | 21 images |
| Penstemon pseudospectabilis M.E.Jones | 1 images |
| Penstemon rostriflorus Kellogg | 87 images |
| Penstemon secundiflorus Benth. | 61 images |
| Penstemon spectabilis Thurb. ex A.Gray | 118 images |
| Penstemon thurberi Torr. | 8 images |
| Penstemon triflorus A.Heller | 5 images |
| Penstemon virgatus A.Gray | 9 images |
| Pentachaeta aurea Nutt. | 4 images |
| Pentodon pentandrus (Schumach. & Thonn.) Vatke | 4 images |
| Peperomia alata Ruiz & Pav. | 1 images |
| Peperomia angustata Kunth | 3 images |
| Peperomia camptotricha Miq. | 1 images |
| Peperomia deppeana Schltdl. & Cham. | 4 images |
| Peperomia galioides Kunth | 7 images |
| Peperomia glabella (Sw.) A.Dietr. | 144 images |
| Peperomia hirta C.DC. | 1 images |
| Peperomia hoffmannii C.DC. | 1 images |
| Peperomia lanceolata C.DC. | 2 images |
| Peperomia lancifolia Hook. | 8 images |
| Peperomia leptophylla Miq. | 1 images |
| Peperomia maculosa (L.) Hook. | 74 images |
| Peperomia magnoliifolia (Jacq.) A.Dietr. | 1541 images |
| Peperomia monticola Miq. | 3 images |
| Peperomia obtusifolia (L.) A.Dietr. | 2758 images |
| Peperomia olivacea C.DC. | 5 images |
| Peperomia pecuniifolia Trel. & Standl. | 288 images |
| Peperomia pellucida (L.) Kunth | 633 images |
| Peperomia peltilimba C.DC. ex Trel. | 13 images |
| Peperomia pseudopereskiifolia C.DC. | 3 images |
| Peperomia quadrifolia (L.) Kunth | 7 images |
| Peperomia rhombea Ruiz & Pav. | 1 images |
| Peperomia rotundifolia (L.) Kunth | 825 images |
| Peperomia san-joseana C.DC. | 3 images |
| Peperomia serpens (Sw.) G.Don | 1614 images |
| Peperomia tenuicaulis C.DC. | 2 images |
| Peperomia tetraphylla (G.Forst.) Hook. & Arn. | 20 images |
| Peperomia urocarpa Fisch. & C.A.Mey. | 32 images |
| Pereskia aculeata Mill. | 1133 images |
| Pereskiopsis diguetii (F.A.C.Weber) Britton & Rose | 11 images |
| Pereskiopsis kellermanii Rose | 1 images |
| Pericome caudata A.Gray | 16 images |
| Perityle emoryi Torr. | 97 images |
| Perityle microglossa Benth. | 8 images |
| Perrottetia longistylis Rose | 21 images |
| Perrottetia sessiliflora Lundell | 19 images |
| Persea americana Mill. | 7593 images |
| Persea donnell-smithii Mez | 6 images |
| Persea schiedeana Nees | 1 images |
| Persicaria acuminata (Kunth) M.Gómez | 7 images |
| Persicaria amphibia (L.) Delarbre | 395 images |
| Persicaria ferruginea (Wedd.) Soják | 1 images |
| Persicaria glabra (Willd.) M.Gómez | 18 images |
| Persicaria hispida (Kunth) M.Gómez | 5 images |
| Persicaria hydropiperoides (Michx.) Small | 18 images |
| Persicaria lapathifolia (L.) Delarbre | 3207 images |
| Persicaria maculosa Gray | 9369 images |
| Persicaria meisneriana (Cham. & Schltdl.) M.Gómez | 2 images |
| Persicaria pensylvanica (L.) M.Gómez | 58 images |
| Persicaria punctata (Elliott) Small | 77 images |
| Persicaria segetum (Kunth) Small | 13 images |
| Persicaria virginiana (L.) Gaertn. | 1031 images |
| Perymenium grande Hemsl. | 34 images |
| Petalonyx thurberi A.Gray | 80 images |
| Petiveria alliacea L. | 581 images |
| Petrea volubilis L. | 1672 images |
| Petrophytum caespitosum (Nutt.) Rydb. | 22 images |
| Petroselinum crispum (Mill.) Fuss | 2568 images |
| Petunia axillaris (Lam.) Britton, Sterns & Poggenb. | 75 images |
| Petunia integrifolia (Hook.) Schinz & Thell. | 111 images |
| Peucephyllum schottii A.Gray | 16 images |
| Phacelia affinis A.Gray | 11 images |
| Phacelia alba Rydb. | 1 images |
| Phacelia brachyloba (Benth.) A.Gray | 11 images |
| Phacelia cicutaria Greene | 145 images |
| Phacelia ciliata Benth. | 21 images |
| Phacelia coerulea Greene | 12 images |
| Phacelia congesta Hook. | 61 images |
| Phacelia crenulata Torr. ex S.Watson | 147 images |
| Phacelia cryptantha Greene | 32 images |
| Phacelia distans Benth. | 152 images |
| Phacelia dubia (L.) Trel. | 5 images |
| Phacelia floribunda Greene | 6 images |
| Phacelia fremontii Torr. | 104 images |
| Phacelia grandiflora (Benth.) A.Gray | 52 images |
| Phacelia heterophylla Pursh | 57 images |
| Phacelia imbricata Greene | 46 images |
| Phacelia integrifolia Torr. | 20 images |
| Phacelia pachyphylla A.Gray | 1 images |
| Phacelia parryi Torr. | 77 images |
| Phacelia pedicellata A.Gray | 31 images |
| Phacelia platycarpa (Cav.) Spreng. | 15 images |
| Phacelia ramosissima Douglas ex Lehm. | 92 images |
| Phacelia rupestris Greene | 3 images |
| Phacelia secunda J.F.Gmel. | 29 images |
| Phacelia stellaris Brand | 5 images |
| Phacelia tanacetifolia Benth. | 16121 images |
| Phacelia viscida (Benth. ex Lindl.) Torr. | 17 images |
| Phalaris angusta Nees ex Trin. | 6 images |
| Phalaris aquatica L. | 235 images |
| Phalaris arundinacea L. | 2839 images |
| Phalaris canariensis L. | 473 images |
| Phalaris minor Retz. | 176 images |
| Phalaris paradoxa L. | 79 images |
| Phanerophlebia juglandifolia (Humb. & Bonpl. ex Willd.) J.Sm. | 10 images |
| Phanerophlebia umbonata Underw. | 26 images |
| Pharus lappulaceus Aubl. | 14 images |
| Pharus latifolius L. | 43 images |
| Pharus mezii Prodoehl | 1 images |
| Phaseolus coccineus L. | 720 images |
| Phaseolus leptostachyus Benth. | 7 images |
| Phaseolus lunatus L. | 109 images |
| Phaseolus pedicellatus Benth. | 5 images |
| Phaseolus vulgaris L. | 2713 images |
| Phaulothamnus spinescens A.Gray | 3 images |
| Phemeranthus brevicaulis (S.Watson) Kiger | 3 images |
| Phemeranthus calycinus (Engelm.) Kiger | 12 images |
| Phemeranthus parviflorus (Nutt.) Kiger | 7 images |
| Phenax mexicanus Wedd. | 14 images |
| Phenax rugosus (Poir.) Wedd. | 9 images |
| Phenax sonneratii (Poir.) Wedd. | 42 images |
| Philadelphus karwinskyanus Koehne | 6 images |
| Philadelphus microphyllus A.Gray | 16 images |
| Philadelphus serpyllifolius A.Gray | 1 images |
| Philadelphus texensis S.Y.Hu | 3 images |
| Philodendron anisotomum Schott | 1 images |
| Philodendron aurantiifolium Schott | 31 images |
| Philodendron glanduliferum Matuda | 1 images |
| Philodendron hederaceum (Jacq.) Schott | 2407 images |
| Philodendron inaequilaterum Liebm. | 27 images |
| Philodendron jodavisianum G.S.Bunting | 20 images |
| Philodendron mexicanum Engl. | 31 images |
| Philodendron radiatum Schott | 72 images |
| Philodendron sagittifolium Liebm. | 19 images |
| Philodendron schottii K.Koch | 7 images |
| Philodendron subincisum Schott | 2 images |
| Philodendron tripartitum (Jacq.) Schott | 51 images |
| Philodendron warszewiczii K.Koch & C.D.Bouché | 10 images |
| Phlebodium decumanum (Willd.) J.Sm. | 170 images |
| Phlebodium pseudoaureum (Cav.) Lellinger | 93 images |
| Phleum alpinum L. | 314 images |
| Phleum pratense L. | 2574 images |
| Phlox austromontana Coville | 59 images |
| Phlox nana Nutt. | 9 images |
| Phlox pilosa L. | 183 images |
| Phoenix dactylifera L. | 2930 images |
| Pholisma arenarium Nutt. | 35 images |
| Pholisma sonorae (Torr.) Yatsk. | 10 images |
| Pholistoma auritum (Lindl.) Lilja | 71 images |
| Pholistoma membranaceum (Benth.) Constance | 44 images |
| Pholistoma racemosum (Nutt. ex A.Gray) Constance | 23 images |
| Phoradendron bolleanum (Seem.) Eichler | 2 images |
| Phoradendron californicum Nutt. | 131 images |
| Phoradendron crassifolium (Pohl ex DC.) Eichler | 4 images |
| Phoradendron hexastichum (DC.) Griseb. | 1 images |
| Phoradendron leucarpum (Raf.) Reveal & M.C.Johnst. | 3 images |
| Phoradendron macrophyllum (Engelm.) Cockerell | 4 images |
| Phoradendron mucronatum (DC.) Krug & Urb. | 1 images |
| Phoradendron piperoides (Kunth) Trel. | 39 images |
| Phoradendron quadrangulare (Kunth) Griseb. | 50 images |
| Phoradendron robustissimum Eichler | 20 images |
| Phoradendron velutinum (DC.) Nutt. | 4 images |
| Phormium tenax J.R.Forst. & G.Forst. | 2633 images |
| Photinia arbutifolia Lindl. | 147 images |
| Phragmites australis (Cav.) Trin. ex Steud. | 6490 images |
| Phryma leptostachya L. | 156 images |
| Phyla betulifolia (Kunth) Greene | 1 images |
| Phyla cuneifolia (Torr.) Greene | 1 images |
| Phyla lanceolata (Michx.) Greene | 124 images |
| Phyla nodiflora (L.) Greene | 1523 images |
| Phyllanthus acidus (L.) Skeels | 285 images |
| Phyllanthus acuminatus Vahl | 35 images |
| Phyllanthus amarus Schumach. & Thonn. | 479 images |
| Phyllanthus caroliniensis Walter | 18 images |
| Phyllanthus fluitans Benth. ex Müll.Arg. | 4 images |
| Phyllanthus niruri L. | 208 images |
| Phyllanthus polygonoides Nutt. ex Spreng. | 30 images |
| Phyllanthus stipulatus (Raf.) G.L.Webster | 10 images |
| Phyllanthus tenellus Roxb. | 754 images |
| Phyllanthus urinaria L. | 478 images |
| Phyllospadix scouleri Hook. | 22 images |
| Phyllostachys aurea (André) Rivière & C.Rivière | 1387 images |
| Phymosia umbellata (Cav.) Kearney | 186 images |
| Physalis acutifolia (Miers) Sandwith | 3 images |
| Physalis angulata L. | 1012 images |
| Physalis crassifolia Benth. | 94 images |
| Physalis ixocarpa Brot. ex Hornem. | 24 images |
| Physalis longifolia Nutt. | 220 images |
| Physalis mollis Nutt. | 8 images |
| Physalis peruviana L. | 3432 images |
| Physalis philadelphica Lam. | 671 images |
| Physalis pruinosa L. | 19 images |
| Physalis pubescens L. | 173 images |
| Physalis sulphurea (Fernald) Waterf. | 2 images |
| Physalis virginiana Mill. | 2 images |
| Physalis viscosa L. | 134 images |
| Physalis walteri Nutt. | 12 images |
| Physaria fendleri (A.Gray) O'Kane & Al-Shehbaz | 1 images |
| Physostegia correllii (Lundell) Shinners | 4 images |
| Physostegia virginiana (L.) Benth. | 2026 images |
| Phytolacca americana L. | 18579 images |
| Phytolacca dioica L. | 3342 images |
| Phytolacca icosandra L. | 114 images |
| Phytolacca octandra L. | 23 images |
| Phytolacca rivinoides Kunth & C.D.Bouché | 54 images |
| Phytolacca rugosa A.Braun & C.D.Bouché | 3 images |
| Picea chihuahuana Martínez | 12 images |
| Picea engelmannii Parry ex Engelm. | 207 images |
| Picradeniopsis absinthifolia (Benth.) B.G.Baldwin | 8 images |
| Picradeniopsis multiflora (Hook. & Arn.) B.G.Baldwin | 23 images |
| Picramnia antidesma Sw. | 48 images |
| Picramnia latifolia Tul. | 13 images |
| Picramnia teapensis Tul. | 15 images |
| Pilea auriculata Liebm. | 14 images |
| Pilea cadierei Gagnep. & Guillaumin | 1242 images |
| Pilea ecboliophylla Donn.Sm. | 12 images |
| Pilea glabra S.Watson | 3 images |
| Pilea herniarioides (Sw.) Lindl. | 1 images |
| Pilea hyalina Fenzl | 1 images |
| Pilea imparifolia Wedd. | 8 images |
| Pilea irrorata Donn.Sm. | 1 images |
| Pilea microphylla (L.) Liebm. | 2312 images |
| Pilea pubescens Liebm. | 5 images |
| Pilea vulcanica Liebm. | 18 images |
| Pilocarpus racemosus Vahl | 25 images |
| Pilosocereus alensis (F.A.C.Weber ex Rol.-Goss.) Byles & G.D.Rowley | 2 images |
| Pilosocereus chrysacanthus (F.A.C.Weber ex K.Schum.) Byles & G.D.Rowley | 2 images |
| Pilosocereus gaumeri (Britton & Rose) Backeb. | 11 images |
| Pilosocereus leucocephalus (Poselg.) Byles & G.D.Rowley | 24 images |
| Pilostyles blanchetii (Gardner) R.Br. | 3 images |
| Pilostyles thurberi A.Gray | 25 images |
| Pilularia americana A.Braun | 1 images |
| Pimenta dioica (L.) Merr. | 188 images |
| Pinaropappus roseus (Less.) Less. | 38 images |
| Pinguicula agnata Casper | 26 images |
| Pinguicula calderoniae Zamudio | 2 images |
| Pinguicula cyclosecta Casper | 18 images |
| Pinguicula ehlersiae Speta & F.Fuchs | 3 images |
| Pinguicula esseriana B.Kirchn. | 3 images |
| Pinguicula gigantea Luhrs | 8 images |
| Pinguicula gracilis Zamudio | 1 images |
| Pinguicula gypsicola Brandegee | 1 images |
| Pinguicula ibarrae Zamudio | 2 images |
| Pinguicula jaumavensis Debbert | 21 images |
| Pinguicula kondoi Casper | 5 images |
| Pinguicula martinezii Zamudio | 3 images |
| Pinguicula moranensis Kunth | 164 images |
| Pinus arizonica Engelm. | 18 images |
| Pinus attenuata Lemmon | 62 images |
| Pinus ayacahuite Ehrenb. ex Schltdl. | 8 images |
| Pinus caribaea Morelet | 41 images |
| Pinus cembroides Zucc. | 54 images |
| Pinus contorta Douglas ex Loudon | 545 images |
| Pinus coulteri D.Don | 54 images |
| Pinus devoniana Lindl. | 14 images |
| Pinus durangensis Martínez | 2 images |
| Pinus engelmannii Carrière | 1 images |
| Pinus hartwegii Lindl. | 54 images |
| Pinus jeffreyi Balf. | 44 images |
| Pinus lambertiana Douglas | 136 images |
| Pinus leiophylla Schiede ex Schltdl. & Cham. | 7 images |
| Pinus maximartinezii Rzed. | 21 images |
| Pinus maximinoi H.E.Moore | 1 images |
| Pinus monophylla Torr. & Frém. | 33 images |
| Pinus montezumae Lamb. | 50 images |
| Pinus muricata D.Don | 21 images |
| Pinus nelsonii Shaw | 1 images |
| Pinus oocarpa Schiede ex Schltdl. | 19 images |
| Pinus patula Schiede ex Schltdl. & Cham. | 178 images |
| Pinus ponderosa Douglas ex C.Lawson | 456 images |
| Pinus pseudostrobus Lindl. | 45 images |
| Pinus quadrifolia Parl. ex Sudw. | 20 images |
| Pinus radiata D.Don | 344 images |
| Pinus strobiformis Engelm. | 46 images |
| Piparea dentata Aubl. | 98 images |
| Piparea multiflora C.F.Gaertn. | 48 images |
| Piper aduncum L. | 299 images |
| Piper aequale Vahl | 18 images |
| Piper amalago L. | 60 images |
| Piper arboreum Aubl. | 60 images |
| Piper auritum Kunth | 362 images |
| Piper divaricatum G.Mey. | 1 images |
| Piper flavidum C.DC. | 4 images |
| Piper glabrescens (Miq.) C.DC. | 12 images |
| Piper hispidum Sw. | 210 images |
| Piper jacquemontianum (Kunth) Kunth ex Steud. | 7 images |
| Piper longepetiolatum (C.DC.) Trel. | 36 images |
| Piper marginatum Jacq. | 84 images |
| Piper nigrum L. | 466 images |
| Piper obliquum Ruiz & Pav. | 4 images |
| Piper peltatum L. | 203 images |
| Piper schiedeanum Steud. | 8 images |
| Piper tuberculatum Jacq. | 71 images |
| Piper umbellatum L. | 367 images |
| Piper unguiculatum Ruiz & Pav. | 6 images |
| Piper yucatanense C.DC. | 13 images |
| Piptadenia retusa (Jacq.) P.G.Ribeiro, Seigler & Ebinger | 34 images |
| Piptocarpha poeppigiana (DC.) Baker | 25 images |
| Piptochaetium stipoides (Trin. & Rupr.) Hack. & Arechav. | 2 images |
| Piriqueta cistoides (L.) Griseb. | 27 images |
| Piscidia carthagenensis Jacq. | 33 images |
| Piscidia piscipula (L.) Sarg. | 18 images |
| Pisonia aculeata L. | 95 images |
| Pisonia macranthocarpa (Donn.Sm.) Donn.Sm. | 30 images |
| Pistacia mexicana Kunth | 21 images |
| Pistia stratiotes L. | 960 images |
| Pitcairnia atrorubens (Beer) Baker | 25 images |
| Pitcairnia heterophylla (Lindl.) Beer | 12 images |
| Pitcairnia imbricata (Brongn.) Regel | 12 images |
| Pitcairnia recurvata (Scheidw.) K.Koch | 2 images |
| Pitcairnia xanthocalyx Mart. | 3 images |
| Pithecellobium dulce (Roxb.) Benth. | 608 images |
| Pithecellobium furcatum Benth. | 3 images |
| Pithecellobium lanceolatum (Humb. & Bonpl. ex Willd.) Benth. | 59 images |
| Pithecellobium unguis-cati (L.) Benth. | 242 images |
| Pittocaulon praecox (Cav.) H.Rob. & Brettell | 4 images |
| Pityopsis graminifolia (Michx.) Nutt. | 52 images |
| Pityrogramma calomelanos (L.) Link | 145 images |
| Pityrogramma trifoliata (L.) R.M.Tryon | 12 images |
| Plagiobothrys acanthocarpus (Piper) I.M.Johnst. | 5 images |
| Plagiobothrys arizonicus (A.Gray) Greene ex A.Gray | 10 images |
| Plagiobothrys bracteatus (Howell) I.M.Johnst. | 10 images |
| Plagiobothrys nothofulvus (A.Gray) A.Gray | 52 images |
| Plagiobothrys tenellus (Nutt.) A.Gray | 6 images |
| Plantago australis Lam. | 116 images |
| Plantago elongata Pursh | 17 images |
| Plantago eriopoda Torr. | 12 images |
| Plantago helleri Small | 7 images |
| Plantago heterophylla Nutt. | 1 images |
| Plantago lanceolata L. | 13889 images |
| Plantago major L. | 10094 images |
| Plantago ovata Forssk. | 258 images |
| Plantago patagonica Jacq. | 51 images |
| Plantago rhodosperma Decne. | 34 images |
| Plantago sericea Ruiz & Pav. | 16 images |
| Plantago tubulosa Decne. | 27 images |
| Plantago virginica L. | 182 images |
| Plantago wrightiana Decne. | 9 images |
| Platanthera sparsiflora (S.Watson) Schltr. | 46 images |
| Platanus mexicana Moric. | 43 images |
| Platanus racemosa Nutt. | 494 images |
| Platanus wrightii S.Watson | 2 images |
| Platymiscium dimorphandrum Donn.Sm. | 27 images |
| Platystele oxyglossa (Schltr.) Garay | 4 images |
| Platystele stenostachya (Rchb.f.) Garay | 4 images |
| Platystemon californicus Benth. | 205 images |
| Plectocephalus americanus (Nutt.) D.Don | 5 images |
| Pleiostachya pruinosa (Regel) K.Schum. | 31 images |
| Pleopeltis astrolepis (Liebm.) E.Fourn. | 3 images |
| Pleopeltis bradeorum (Rosenst.) A.R.Sm. & Tejero | 3 images |
| Pleopeltis fallax (Schltdl. & Cham.) Mickel & Beitel | 7 images |
| Pleopeltis furfuracea (Schltdl. & Cham.) A.R.Sm. & Tejero | 12 images |
| Pleopeltis macrocarpa (Willd.) Kaulf. | 43 images |
| Pleopeltis marginata A.R.Sm. & Tejero | 4 images |
| Pleopeltis plebeia (Schltdl. & Cham.) A.R.Sm. & Tejero | 1 images |
| Pleopeltis polylepis T.Moore | 3 images |
| Pleopeltis polypodioides (L.) E.G.Andrews & Windham | 129 images |
| Pleopeltis remota (Desv.) A.R.Sm. | 5 images |
| Pleradenophora bilocularis (S.Watson) Esser & A.L.Melo | 2 images |
| Pleuranthodendron lindenii (Turcz.) Sleumer | 50 images |
| Pleuropetalum pleiogynum (Kuntze) Standl. | 22 images |
| Pleuropetalum sprucei (Hook.f.) Standl. | 23 images |
| Pleurothallis cardiothallis Rchb.f. | 2 images |
| Pleurothallis quadrifida (Lex.) Lindl. | 3 images |
| Pleurothallis ruscifolia (Jacq.) R.Br. | 11 images |
| Plocosperma buxifolium Benth. | 3 images |
| Pluchea baccharis (Mill.) Pruski | 5 images |
| Pluchea carolinensis (Jacq.) G.Don | 103 images |
| Pluchea foetida (L.) DC. | 15 images |
| Pluchea odorata (L.) Cass. | 268 images |
| Pluchea sericea Coville | 56 images |
| Plukenetia stipellata L.J.Gillespie | 33 images |
| Plumbago auriculata Lam. | 10736 images |
| Plumbago pulchella Boiss. | 5 images |
| Plumbago zeylanica L. | 347 images |
| Plumeria obtusa L. | 1140 images |
| Plumeria rubra L. | 4815 images |
| Poa alpina L. | 317 images |
| Poa angustifolia L. | 4 images |
| Poa annua L. | 3017 images |
| Poa compressa L. | 117 images |
| Poa fendleriana (Steud.) Vasey | 12 images |
| Poa gymnantha Pilg. | 1 images |
| Poa infirma Kunth | 53 images |
| Poa occidentalis (Vasey) Vasey | 6 images |
| Poa pratensis L. | 2964 images |
| Poa secunda J.Presl | 9 images |
| Podachaenium eminens (Lag.) Sch.Bip. | 3 images |
| Podocarpus guatemalensis Standl. | 55 images |
| Podocarpus matudae Lundell | 7 images |
| Podocarpus oleifolius D.Don | 6 images |
| Podopterus mexicanus Bonpl. | 2 images |
| Podranea ricasoliana (Tanfani) Sprague | 3711 images |
| Pogonopus exsertus (Oerst.) Oerst. | 1 images |
| Poikilacanthus macranthus Lindau | 24 images |
| Polaskia chende (Rol.-Goss.) A.C.Gibson & K.E.Horak | 1 images |
| Polaskia chichipe (Rol.-Goss.) Backeb. | 40 images |
| Polemonium pauciflorum S.Watson | 12 images |
| Poliomintha incana (Torr.) A.Gray | 2 images |
| Polybotrya caudata Kunze | 18 images |
| Polycarpon depressum Nutt. | 5 images |
| Polycarpon tetraphyllum (L.) L. | 1203 images |
| Polyclathra cucumerina Bertol. | 10 images |
| Polygala adenophora DC. | 1 images |
| Polygala alba Nutt. | 26 images |
| Polygala glochidiata Kunth | 5 images |
| Polygala longicaulis Kunth | 50 images |
| Polygala paniculata L. | 166 images |
| Polygala trichosperma Jacq. | 20 images |
| Polygonatum biflorum (Walter) Elliott | 716 images |
| Polygonum arenastrum Boreau | 175 images |
| Polygonum aviculare L. | 5066 images |
| Polygonum douglasii Greene | 5 images |
| Polypodium californicum Kaulf. | 78 images |
| Polypodium hesperium Maxon | 10 images |
| Polypodium scouleri Hook. & Grev. | 26 images |
| Polypogon australis Brongn. | 8 images |
| Polypogon maritimus Willd. | 35 images |
| Polypogon monspeliensis (L.) Desf. | 811 images |
| Polypogon viridis (Gouan) Breistr. | 210 images |
| Polypremum procumbens L. | 84 images |
| Polystachya concreta (Jacq.) Garay & H.R.Sweet | 134 images |
| Polystachya foliosa (Hook.) Rchb.f. | 17 images |
| Polystachya masayensis Rchb.f. | 14 images |
| Polystemma cordifolium (A.Gray) McDonnell & Fishbein | 2 images |
| Polystemma guatemalense (Schltr.) W.D.Stevens | 24 images |
| Polystichum acrostichoides (Michx.) Schott | 618 images |
| Polystichum munitum (Kaulf.) C.Presl | 925 images |
| Polystichum orbiculatum Gay | 30 images |
| Polystichum platyphyllum (Willd.) C.Presl | 8 images |
| Polytaenium cajenense (Desv.) Benedict | 10 images |
| Polytaenium feei (W.Schaffn. ex Fée) Maxon | 1 images |
| Polytaenium lineatum J.Sm. | 2 images |
| Pombalia calceolaria (L.) Paula-Souza | 36 images |
| Pombalia verticillata (Ortega) Paula-Souza | 9 images |
| Pontederia azurea Sw. | 25 images |
| Pontederia cordata L. | 1472 images |
| Pontederia crassipes Mart. | 1621 images |
| Pontederia paniculata Spreng. | 7 images |
| Pontederia rotundifolia L.f. | 172 images |
| Ponthieva racemosa (Walter) C.Mohr | 13 images |
| Populus alba L. | 11867 images |
| Populus angustifolia E.James | 5 images |
| Populus deltoides W.Bartram ex Marshall | 580 images |
| Populus fremontii S.Watson | 13 images |
| Populus tremuloides Michx. | 1364 images |
| Populus tristis Fisch. | 212 images |
| Poranopsis paniculata (Roxb.) Roberty | 14 images |
| Porlieria angustifolia (Engelm.) A.Gray | 8 images |
| Porophyllum gracile Benth. | 24 images |
| Porophyllum linaria (Cav.) DC. | 10 images |
| Porophyllum punctatum S.F.Blake | 65 images |
| Porophyllum ruderale (Jacq.) Cass. | 302 images |
| Portulaca grandiflora Hook. | 7791 images |
| Portulaca halimoides L. | 31 images |
| Portulaca oleracea L. | 12377 images |
| Portulaca pilosa L. | 701 images |
| Portulaca rubricaulis Kunth | 17 images |
| Portulaca suffrutescens Engelm. | 18 images |
| Portulaca umbraticola Kunth | 1507 images |
| Posoqueria latifolia (Rudge) Schult. | 234 images |
| Potamogeton amplifolius Tuck. | 7 images |
| Potamogeton crispus L. | 161 images |
| Potamogeton diversifolius Raf. | 1 images |
| Potamogeton foliosus Raf. | 5 images |
| Potamogeton natans L. | 545 images |
| Potamogeton nodosus Poir. | 312 images |
| Potamogeton praelongus Wulfen | 22 images |
| Potamogeton pusillus L. | 43 images |
| Potentilla biennis Greene | 2 images |
| Potentilla concinna Richardson | 8 images |
| Potentilla hippiana Lehm. | 10 images |
| Potentilla lindleyi Greene | 10 images |
| Potentilla supina L. | 185 images |
| Potentilla thurberi A.Gray | 80 images |
| Poulsenia armata (Miq.) Standl. | 14 images |
| Pourouma bicolor Mart. | 94 images |
| Pouteria campechiana (Kunth) Baehni | 197 images |
| Pouteria durlandii (Standl.) Baehni | 46 images |
| Pouteria glomerata (Miq.) Radlk. | 9 images |
| Pouteria izabalensis (Standl.) Baehni | 11 images |
| Pouteria reticulata (Engl.) Eyma | 78 images |
| Pouteria sapota (Jacq.) H.E.Moore & Stearn | 132 images |
| Pouteria torta (Mart.) Radlk. | 93 images |
| Pouteria viridis (Pittier) Cronquist | 25 images |
| Pouzolzia guatemalana (Blume) Wedd. | 29 images |
| Pouzolzia obliqua (Wedd.) Wedd. | 34 images |
| Prescottia stachyodes (Sw.) Lindl. | 29 images |
| Prestonia longifolia (Sessé & Moc.) J.F.Morales | 9 images |
| Prestonia mexicana A.DC. | 4 images |
| Prestonia portobellensis (Beurl.) Woodson | 49 images |
| Primula clevelandii (Greene) A.R.Mast & Reveal | 41 images |
| Primula pauciflora (Durand) A.R.Mast & Reveal | 41 images |
| Primula rusbyi Greene | 4 images |
| Prionosciadium thapsoides (DC.) Mathias | 2 images |
| Prionostemma aspera (Lam.) Miers | 41 images |
| Priva lappulacea (L.) Pers. | 320 images |
| Proboscidea althaeifolia (Benth.) Decne. | 3 images |
| Proboscidea louisianica (Mill.) Thell. | 218 images |
| Proboscidea triloba (Schltdl. & Cham.) Decne. | 4 images |
| Proserpinaca palustris L. | 4 images |
| Proserpinaca pectinata Lam. | 2 images |
| Prosopis glandulosa Torr. | 460 images |
| Prosopis juliflora (Sw.) DC. | 458 images |
| Prosopis laevigata (Humb. & Bonpl. ex Willd.) M.C.Johnst. | 9 images |
| Prosopis pubescens Benth. | 40 images |
| Prosopis reptans Benth. | 3 images |
| Prosopis velutina Wooton | 31 images |
| Prosthechea abbreviata (Schltr.) W.E.Higgins | 25 images |
| Prosthechea boothiana (Lindl.) W.E.Higgins | 5 images |
| Prosthechea brassavolae (Rchb.f.) W.E.Higgins | 22 images |
| Prosthechea chacaoensis (Rchb.f.) W.E.Higgins | 58 images |
| Prosthechea citrina (Lex.) W.E.Higgins | 1 images |
| Prosthechea cochleata (L.) W.E.Higgins | 165 images |
| Prosthechea fragrans (Sw.) W.E.Higgins | 154 images |
| Prosthechea livida (Lindl.) W.E.Higgins | 11 images |
| Prosthechea mariae (Ames) W.E.Higgins | 3 images |
| Prosthechea ochracea (Lindl.) W.E.Higgins | 2 images |
| Prosthechea pastoris (Lex.) Espejo & López-Ferr. | 2 images |
| Prosthechea pseudopygmaea (Finet) W.E.Higgins | 14 images |
| Prosthechea pygmaea (Hook.) W.E.Higgins | 15 images |
| Prosthechea radiata (Lindl.) W.E.Higgins | 28 images |
| Prosthechea varicosa (Bateman ex Lindl.) W.E.Higgins | 12 images |
| Prosthechea vitellina (Lindl.) W.E.Higgins | 38 images |
| Protium confusum (Rose) Pittier | 42 images |
| Protium copal (Schltdl. & Cham.) Engl. | 3 images |
| Protium glabrum (Rose) Engl. | 17 images |
| Protium pittieri (Rose) Engl. | 34 images |
| Prunella vulgaris L. | 18879 images |
| Prunus brachybotrya Zucc. | 7 images |
| Prunus fasciculata (Torr.) A.Gray | 4 images |
| Prunus fremontii S.Watson | 1 images |
| Prunus ilicifolia (Nutt. ex Hook. & Arn.) D.Dietr. | 67 images |
| Prunus mexicana S.Watson | 9 images |
| Prunus myrtifolia (L.) Urb. | 17 images |
| Prunus rhamnoides Koehne | 21 images |
| Prunus salasii Standl. | 3 images |
| Prunus serotina Ehrh. | 8470 images |
| Psathyrotes ramosissima A.Gray | 32 images |
| Psathyrotopsis scaposa (A.Gray) H.Rob. | 1 images |
| Pseudabutilon umbellatum (L.) Fryxell | 2 images |
| Pseudelephantopus spicatus (Juss. ex Aubl.) C.F.Baker | 72 images |
| Pseuderanthemum alatum (Nees) Radlk. | 55 images |
| Pseuderanthemum cuspidatum (Nees) Radlk. | 1 images |
| Pseuderanthemum praecox (Benth.) Leonard | 1 images |
| Pseudobombax ellipticum (Kunth) Dugand | 359 images |
| Pseudoconyza viscosa (Mill.) D'Arcy | 12 images |
| Pseudognaphalium attenuatum (DC.) Anderb. | 3 images |
| Pseudognaphalium biolettii Anderb. ex Nesom | 43 images |
| Pseudognaphalium californicum (DC.) Anderb. | 207 images |
| Pseudognaphalium canescens (DC.) Anderb. | 1 images |
| Pseudognaphalium elegans Kartesz | 10 images |
| Pseudognaphalium leucocephalum (A.Gray) Anderb. | 22 images |
| Pseudognaphalium liebmannii (Sch.Bip. ex Klatt) Anderb. | 32 images |
| Pseudognaphalium luteoalbum (L.) Hilliard & B.L.Burtt | 1222 images |
| Pseudognaphalium microcephalum (Nutt.) Anderb. | 8 images |
| Pseudognaphalium stramineum (Kunth) Anderb. | 103 images |
| Pseudognaphalium viscosum (Kunth) Anderb. | 4 images |
| Pseudogynoxys chenopodioides (Kunth) Cabrera | 211 images |
| Pseudogynoxys cummingii (Benth. ex Oerst.) H.Rob. & Cuatrec. | 4 images |
| Pseudolmedia spuria (Sw.) Griseb. | 14 images |
| Pseudophoenix sargentii H.Wendl. ex Sarg. | 58 images |
| Pseudorhipsalis ramulosa (Salm-Dyck) Barthlott | 78 images |
| Pseudosamanea guachapele (Kunth) Harms | 10 images |
| Pseudotsuga menziesii (Mirb.) Franco | 4407 images |
| Pseudoziziphus parryi (Torr.) Hauenschild | 14 images |
| Psidium cattleyanum Sabine | 1641 images |
| Psidium friedrichsthalianum (O.Berg) Nied. | 52 images |
| Psidium guajava L. | 3516 images |
| Psidium guineense Sw. | 109 images |
| Psidium oligospermum Mart. ex DC. | 25 images |
| Psidium salutare (Kunth) O.Berg | 18 images |
| Psiguria triphylla (Miq.) C.Jeffrey | 21 images |
| Psiguria warscewiczii (Hook.f.) Wunderlin | 39 images |
| Psilactis asteroides A.Gray | 2 images |
| Psilocarphus brevissimus Nutt. | 36 images |
| Psilocarphus tenellus Nutt. | 30 images |
| Psilostrophe cooperi (A.Gray) Greene | 29 images |
| Psilostrophe tagetina (Nutt.) Greene | 12 images |
| Psilotum nudum (L.) P.Beauv. | 184 images |
| Psittacanthus calyculatus (DC.) G.Don | 12 images |
| Psittacanthus ramiflorus (Moc. & Sessé ex DC.) G.Don | 4 images |
| Psittacanthus rhynchanthus (Benth.) Kuijt | 21 images |
| Psorothamnus schottii (Torr.) Barneby | 71 images |
| Psychotria biaristata Bartl. ex DC. | 58 images |
| Psychotria carthagenensis Jacq. | 115 images |
| Psychotria chagrensis Standl. | 57 images |
| Psychotria costivenia Griseb. | 1 images |
| Psychotria grandis Sw. | 35 images |
| Psychotria horizontalis Sw. | 30 images |
| Psychotria limonensis K.Krause | 45 images |
| Psychotria marginata Sw. | 34 images |
| Psychotria micrantha Kunth | 13 images |
| Psychotria nervosa Sw. | 213 images |
| Psychotria panamensis Standl. | 76 images |
| Psychotria papantlensis (Oerst.) Hemsl. | 1 images |
| Psychotria trichotoma M.Martens & Galeotti | 2 images |
| Psychotria viridis Ruiz & Pav. | 23 images |
| Ptelea trifoliata L. | 445 images |
| Pteridium arachnoideum (Kaulf.) Maxon | 4 images |
| Pteridium caudatum (L.) Maxon | 52 images |
| Pteris altissima Poir. | 23 images |
| Pteris cretica L. | 890 images |
| Pteris grandifolia L. | 8 images |
| Pteris longifolia L. | 26 images |
| Pteris muricella Fée | 4 images |
| Pteris orizabae M.Martens & Galeotti | 1 images |
| Pteris plumieri Link | 1 images |
| Pteris pungens Willd. | 6 images |
| Pteris tremula R.Br. | 24 images |
| Pteris tripartita Sw. | 49 images |
| Pteris vittata L. | 507 images |
| Pterocarpus michelianus N.Zamora | 11 images |
| Pterocarpus officinalis Jacq. | 136 images |
| Pterocarpus rohrii Vahl | 158 images |
| Pterocaulon virgatum (L.) DC. | 8 images |
| Pterocereus gaumeri (Britton & Rose) T.MacDoug. & Miranda | 1 images |
| Pterospora andromedea Nutt. | 259 images |
| Punica granatum L. | 13748 images |
| Purshia mexicana (D.Don) S.L.Welsh | 5 images |
| Purshia stansburiana (Torr.) Henrard | 18 images |
| Pyracantha koidzumii (Hayata) Rehder | 711 images |
| Pyrostegia venusta (Ker Gawl.) Miers | 1684 images |
| Pyrrhopappus carolinianus (Walter) DC. | 267 images |
| Pyrrhopappus pauciflorus DC. | 63 images |
| Quararibea funebris (La Llave) Vischer | 43 images |
| Quararibea yunckeri Standl. | 4 images |
| Quassia amara L. | 164 images |
| Quercus affinis Scheidw. | 16 images |
| Quercus agrifolia Née | 220 images |
| Quercus arizonica Sarg. | 11 images |
| Quercus benthamii A.DC. | 31 images |
| Quercus berberidifolia Liebm. | 57 images |
| Quercus canbyi Trel. | 10 images |
| Quercus chrysolepis Liebm. | 151 images |
| Quercus coffeicolor Trel. | 1 images |
| Quercus cornelius-mulleri Nixon & K.P.Steele | 4 images |
| Quercus corrugata Hook. | 33 images |
| Quercus crassifolia Bonpl. | 3 images |
| Quercus deserticola Trel. | 2 images |
| Quercus dumosa Nutt. | 26 images |
| Quercus emoryi Torr. | 19 images |
| Quercus engelmannii Greene | 46 images |
| Quercus fusiformis Small | 184 images |
| Quercus gambelii Nutt. | 158 images |
| Quercus germana Schltdl. & Cham. | 3 images |
| Quercus glabrescens Benth. | 3 images |
| Quercus grahamii Benth. | 4 images |
| Quercus gravesii Sudw. | 17 images |
| Quercus grisea Liebm. | 15 images |
| Quercus hintoniorum Nixon & C.H.Müll. | 2 images |
| Quercus hirtifolia M.L.Vázquez, S.Valencia & Nixon | 3 images |
| Quercus hypoleucoides A.Camus | 3 images |
| Quercus insignis M.Martens & Galeotti | 39 images |
| Quercus jonesii Trel. | 1 images |
| Quercus lancifolia Schltdl. & Cham. | 22 images |
| Quercus mexicana Bonpl. | 3 images |
| Quercus miquihuanensis Nixon & C.H.Müll. | 1 images |
| Quercus muehlenbergii Engelm. | 63 images |
| Quercus oblongifolia Torr. | 10 images |
| Quercus oleoides Schltdl. & Cham. | 66 images |
| Quercus oocarpa Liebm. | 1 images |
| Quercus palmeri (Engelm.) Engelm. | 39 images |
| Quercus polymorpha Schltdl. & Cham. | 43 images |
| Quercus praeco Trel. | 1 images |
| Quercus pungens Liebm. | 3 images |
| Quercus rugosa Née | 30 images |
| Quercus rysophylla Weath. | 68 images |
| Quercus salicifolia Née | 21 images |
| Quercus saltillensis Trel. | 1 images |
| Quercus sapotifolia Liebm. | 14 images |
| Quercus sartorii Liebm. | 5 images |
| Quercus segoviensis Liebm. | 7 images |
| Quercus sinuata Walter | 6 images |
| Quercus tarahumara Spellenb., J.D.Bacon & Breedlove | 2 images |
| Quercus tomentella Engelm. | 50 images |
| Quercus toumeyi Sarg. | 7 images |
| Quercus tuberculata Liebm. | 1 images |
| Quercus turbinella Greene | 80 images |
| Quercus vaseyana Buckley | 8 images |
| Quercus wislizeni A.DC. | 28 images |
| Quercus xalapensis Bonpl. | 14 images |
| Quincula lobata (Torr.) Raf. | 53 images |
| Radiovittaria stipitata (Kunze) E.H.Crane | 1 images |
| Rafinesquia californica Nutt. | 31 images |
| Rafinesquia neomexicana A.Gray | 83 images |
| Randia aculeata L. | 67 images |
| Randia armata (Sw.) DC. | 27 images |
| Randia grandifolia (Donn.Sm.) Standl. | 54 images |
| Randia lonicerioides Dwyer & Lorence | 17 images |
| Randia monantha Benth. | 19 images |
| Randia obcordata S.Watson | 1 images |
| Randia thurberi S.Watson | 28 images |
| Ranunculus alismifolius Geyer ex Benth. | 55 images |
| Ranunculus arizonicus Lemmon. ex A.Gray | 2 images |
| Ranunculus californicus Benth. | 184 images |
| Ranunculus cupulatus (S.Watson) Christenh. & Byng | 5 images |
| Ranunculus donianus Pritz. | 3 images |
| Ranunculus flagelliformis Sm. | 6 images |
| Ranunculus harveyi (A.Gray) Britton | 8 images |
| Ranunculus macranthus Scheele | 5 images |
| Ranunculus minimus (L.) E.H.L.Krause | 175 images |
| Ranunculus peruvianus Pers. | 7 images |
| Ranunculus petiolaris Humb., Bonpl. & Kunth ex DC. | 3 images |
| Ranunculus praemorsus Humb., Bonpl. & Kunth ex DC. | 13 images |
| Raphanus raphanistrum L. | 13685 images |
| Rapicactus beguinii (N.P.Taylor) Lüthy | 2 images |
| Rapicactus mandragora (Frič ex A.Berger) Buxb. & Oehme | 9 images |
| Rapicactus subterraneus (Backeb.) Buxb. & Oehme | 6 images |
| Rapicactus zaragosae (Glass & R.A.Foster) D.Donati | 2 images |
| Ratibida columnifera (Nutt.) Wooton & Standl. | 440 images |
| Rauvolfia ligustrina Roem. & Schult. | 19 images |
| Rauvolfia tetraphylla L. | 201 images |
| Ravenala madagascariensis Sonn. | 1471 images |
| Rehdera trinervis (S.F.Blake) Moldenke | 51 images |
| Reinhardtia gracilis (H.Wendl.) Burret | 13 images |
| Reinhardtia simplex (H.Wendl.) Burret | 52 images |
| Renealmia alpinia (Rottb.) Maas | 90 images |
| Renealmia cernua (Sw. ex Roem. & Schult.) J.F.Macbr. | 59 images |
| Renealmia mexicana Klotzsch ex Petersen | 45 images |
| Reseda luteola L. | 3027 images |
| Restrepia trichoglossa F.Lehm. ex Sander | 10 images |
| Rhabdadenia biflora (Jacq.) Müll.Arg. | 13 images |
| Rhamnus crocea Nutt. | 149 images |
| Rhamphospermum nigrum (L.) Al-Shehbaz | 755 images |
| Rhaphiolepis bibas (Lour.) Galasso & Banfi | 11690 images |
| Rhinotropis cornuta (Kellogg) J.R.Abbott | 31 images |
| Rhinotropis lindheimeri (A.Gray) J.R.Abbott | 1 images |
| Rhipidocladum racemiflorum (Steud.) McClure | 33 images |
| Rhipsalis baccifera (J.S.Muell.) Stearn | 1979 images |
| Rhizophora mangle L. | 519 images |
| Rhodochiton atrosanguineus (Zucc.) Rothm. | 93 images |
| Rhodospatha wendlandii Schott | 28 images |
| Rhus aromatica Aiton | 649 images |
| Rhus glabra L. | 1763 images |
| Rhus integrifolia (Nutt.) Benth. & Hook.f. ex W.H.Brewer & S.Watson | 34 images |
| Rhus kearneyi F.A.Barkley | 1 images |
| Rhus microphylla Engelm. | 32 images |
| Rhus ovata S.Watson | 320 images |
| Rhus trilobata Nutt. | 16 images |
| Rhus virens Lindh. ex A.Gray | 45 images |
| Rhynchanthera grandiflora DC. | 61 images |
| Rhyncholaelia digbyana (Lindl.) Schltr. | 17 images |
| Rhyncholaelia glauca (Lindl.) Schltr. | 12 images |
| Rhynchosia erythrinoides Schltdl. & Cham. | 31 images |
| Rhynchosia minima (L.) DC. | 295 images |
| Rhynchosia pyramidalis (Lam.) Urb. | 1 images |
| Rhynchosia reticulata (Sw.) DC. | 10 images |
| Rhynchosida physocalyx (A.Gray) Fryxell | 19 images |
| Rhynchospora barbata (Vahl) Kunth | 5 images |
| Rhynchospora cephalotes (L.) Vahl | 8 images |
| Rhynchospora colorata (L.) H.Pfeiff. | 139 images |
| Rhynchospora contracta (Nees) J.Raynal | 4 images |
| Rhynchospora corymbosa (L.) Britton | 20 images |
| Rhynchospora fascicularis (Michx.) Vahl | 8 images |
| Rhynchospora globosa (Kunth) Roem. & Schult. | 4 images |
| Rhynchospora hirsuta (Vahl) Vahl | 1 images |
| Rhynchospora holoschoenoides (Rich.) Herter | 32 images |
| Rhynchospora nervosa (Vahl) Boeckeler | 121 images |
| Rhynchospora nivea Boeckeler | 1 images |
| Rhynchospora polyphylla (Vahl) Vahl | 18 images |
| Rhynchospora pura (Nees) Griseb. | 2 images |
| Rhynchospora radicans (Schltdl. & Cham.) H.Pfeiff. | 26 images |
| Rhynchospora rugosa (Vahl) Gale | 10 images |
| Rhynchospora schiedeana Kunth | 4 images |
| Rhynchospora tenuis Link | 3 images |
| Rhynchospora tuerckheimii C.B.Clarke ex Kük. | 2 images |
| Rhynchospora velutina (Kunth) Boeckeler | 2 images |
| Rhynchostele bictoniensis (Bateman) Soto Arenas & Salazar | 6 images |
| Rhynchostele cordata (Lindl.) Soto Arenas & Salazar | 4 images |
| Rhynchostele maculata (Lex.) Soto Arenas & Salazar | 4 images |
| Ribes ciliatum Humb. & Bonpl. ex Schult. | 2 images |
| Ribes indecorum Eastw. | 41 images |
| Ribes leptanthum A.Gray | 4 images |
| Ribes malvaceum Sm. | 75 images |
| Ribes quercetorum Greene | 18 images |
| Ribes sanguineum Pursh | 6310 images |
| Ribes speciosum Pursh | 238 images |
| Ribes viburnifolium A.Gray | 14 images |
| Richardia brasiliensis Gomes | 219 images |
| Richardia scabra L. | 570 images |
| Ricinus communis L. | 11021 images |
| Rinorea deflexiflora Bartlett | 49 images |
| Rinorea hummelii Sprague | 53 images |
| Rivina humilis L. | 1039 images |
| Robinia neomexicana A.Gray | 31 images |
| Robinia pseudoacacia L. | 22143 images |
| Robinsonecio gerberifolius (Sch.Bip. ex Hemsl.) T.M.Barkley & Janovec | 32 images |
| Rochefortia spinosa (Jacq.) Urb. | 13 images |
| Rogiera amoena Planch. | 43 images |
| Roldana hartwegii (Benth.) H.Rob. & Brettell | 3 images |
| Roldana petasitis (Sims) H.Rob. & Brettell | 974 images |
| Romneya coulteri Harv. | 714 images |
| Romneya trichocalyx Eastw. | 14 images |
| Rorippa curvipes Greene | 10 images |
| Rorippa curvisiliqua (Hook.) Bessey ex Britton | 4 images |
| Rorippa islandica (Oeder) Borbás | 1 images |
| Rosa californica Cham. & Schltdl. | 27 images |
| Rosa carolina L. | 31 images |
| Rosa minutifolia Engelm. | 4 images |
| Rosa moschata Herrm. | 425 images |
| Rosa woodsii Lindl. | 885 images |
| Roseodendron donnell-smithii (Rose) Miranda | 12 images |
| Rossioglossum grande (Lindl.) Garay & G.C.Kenn. | 2 images |
| Rostraria cristata (L.) Tzvelev | 634 images |
| Rotala ramosior (L.) Koehne | 9 images |
| Rottboellia cochinchinensis (Lour.) Clayton | 26 images |
| Roupala montana Aubl. | 76 images |
| Rourea glabra Kunth | 2 images |
| Rourea schippii Standl. | 3 images |
| Rourea suerrensis Donn.Sm. | 14 images |
| Roystonea regia (Kunth) O.F.Cook | 680 images |
| Rubus adenotrichos Schltdl. | 15 images |
| Rubus deliciosus Torr. | 108 images |
| Rubus flagellaris Willd. | 37 images |
| Rubus glaucus Benth. | 10 images |
| Rubus idaeus L. | 7231 images |
| Rubus leucodermis (Douglas ex Hook.) Douglas ex Torr. & A.Gray | 2 images |
| Rubus trivialis Michx. | 64 images |
| Rubus ursinus Cham. & Schltdl. | 186 images |
| Rubus urticifolius Poir. | 32 images |
| Rudgea cornifolia (Kunth) Standl. | 54 images |
| Ruehssia macrophylla (Humb. & Bonpl. ex Schult.) H.Karst. | 10 images |
| Ruellia blechum L. | 188 images |
| Ruellia californica (Vasey & Rose) I.M.Johnst. | 2 images |
| Ruellia ciliatiflora Hook. | 240 images |
| Ruellia costaricensis (Oerst.) E.A.Tripp & McDade | 7 images |
| Ruellia erythropus (Nees) Lindau | 9 images |
| Ruellia geminiflora Kunth | 48 images |
| Ruellia inundata Kunth | 30 images |
| Ruellia lactea Cav. | 5 images |
| Ruellia longepetiolata (Oerst.) Hemsl. | 27 images |
| Ruellia matagalpae Lindau | 6 images |
| Ruellia paniculata L. | 21 images |
| Ruellia parryi A.Gray | 13 images |
| Ruellia pedunculata Torr. ex A.Gray | 33 images |
| Ruellia simplex C.Wright | 4036 images |
| Ruellia stemonacanthoides (Oerst.) Hemsl. | 33 images |
| Ruellia tuberosa L. | 422 images |
| Ruellia tubiflora Kunth | 16 images |
| Rugoloa pilosa (Sw.) Zuloaga | 13 images |
| Rugoloa polygonata (Schrad.) Zuloaga | 12 images |
| Rumex acetosella L. | 5218 images |
| Rumex altissimus Alph.Wood | 12 images |
| Rumex conglomeratus Murray | 2589 images |
| Rumex crispus L. | 9871 images |
| Rumex hymenosepalus Torr. | 86 images |
| Rumex obtusifolius L. | 12801 images |
| Rumex pulcher L. | 2163 images |
| Rumex salicifolius Weinm. | 29 images |
| Rumex verticillatus L. | 30 images |
| Ruppia maritima L. | 23 images |
| Ruscus aculeatus L. | 8554 images |
| Russelia coccinea (L.) Wettst. | 11 images |
| Russelia equisetiformis Schltdl. & Cham. | 2459 images |
| Russelia sarmentosa Jacq. | 68 images |
| Ruta chalepensis L. | 1341 images |
| Sabal gretherae H.J.Quero | 1 images |
| Sabal mauritiiformis (H.Karst.) Griseb. & H.Wendl. | 17 images |
| Sabal mexicana Mart. | 117 images |
| Sabal minor (Jacq.) Pers. | 287 images |
| Sabal rosei (O.F.Cook) Becc. | 1 images |
| Sabal uresana Trel. | 4 images |
| Sabal yapa C.Wright ex Becc. | 10 images |
| Sabatia stellaris Pursh | 18 images |
| Sabicea panamensis Wernham | 33 images |
| Sabicea villosa Willd. ex Schult. | 43 images |
| Sabulina douglasii (Fenzl ex Torr. & A.Gray) Dillenb. & Kadereit | 12 images |
| Saccharum officinarum L. | 948 images |
| Sacciolepis striata (L.) Nash | 1 images |
| Saccoloma inaequale (Kunze) Mett. | 12 images |
| Sacoila lanceolata (Aubl.) Garay | 55 images |
| Sagina japonica (Sw.) Ohwi | 4 images |
| Sagina procumbens L. | 963 images |
| Sagina saginoides (L.) H.Karst. | 72 images |
| Sagittaria guayanensis Kunth | 41 images |
| Sagittaria lancifolia L. | 89 images |
| Sagittaria latifolia Willd. | 703 images |
| Sagittaria montevidensis Cham. & Schltdl. | 156 images |
| Sairocarpus nuttallianus (Benth.) D.A.Sutton | 10 images |
| Salacia cordata (Miers) Mennega | 71 images |
| Salacia impressifolia (Miers) A.C.Sm. | 15 images |
| Salacia petenensis Lundell | 8 images |
| Salicornia bigelovii Torr. | 28 images |
| Salicornia perennis Mill. | 107 images |
| Salicornia virginica L. | 11 images |
| Salix babylonica L. | 6197 images |
| Salix bonplandiana Kunth | 8 images |
| Salix caroliniana Michx. | 33 images |
| Salix exigua Nutt. | 240 images |
| Salix gooddingii C.R.Ball | 5 images |
| Salix humboldtiana Willd. | 47 images |
| Salix interior Rowlee | 5 images |
| Salix irrorata Andersson | 2 images |
| Salix laevigata Bebb | 37 images |
| Salix lasiolepis Benth. | 177 images |
| Salix nigra Marshall | 127 images |
| Salix scouleriana Barratt ex Hook. | 20 images |
| Salpianthus purpurascens (Cav. ex Lag.) Hook. & Arn. | 12 images |
| Salsola tragus L. | 50 images |
| Saltugilia caruifolia (Abrams) L.A.Johnson | 33 images |
| Salvia × jamensis J.Compton | 93 images |
| Salvia acerifolia B.L.Turner | 3 images |
| Salvia adenophora Fernald | 1 images |
| Salvia aequidistans Fernald | 1 images |
| Salvia alamosana Rose | 1 images |
| Salvia apiana Jeps. | 537 images |
| Salvia ballotiflora Benth. | 21 images |
| Salvia blepharophylla Brandegee ex Epling | 9 images |
| Salvia buchananii Hedge | 32 images |
| Salvia cacaliifolia Benth. | 10 images |
| Salvia carduacea Benth. | 59 images |
| Salvia chamaedryoides Cav. | 153 images |
| Salvia chiapensis Fernald | 6 images |
| Salvia cinnabarina M.Martens & Galeotti | 4 images |
| Salvia circinnata Cav. | 5 images |
| Salvia clevelandii (A.Gray) Greene | 59 images |
| Salvia coahuilensis Fernald | 18 images |
| Salvia coccinea Buc'hoz ex Etl. | 809 images |
| Salvia columbariae Benth. | 271 images |
| Salvia coulteri Fernald | 3 images |
| Salvia curviflora Benth. | 1 images |
| Salvia darcyi J.Compton | 19 images |
| Salvia divinorum Epling & Játiva | 47 images |
| Salvia elegans Vahl | 668 images |
| Salvia eremostachya Jeps. | 1 images |
| Salvia farinacea Benth. | 4928 images |
| Salvia fulgens Cav. | 16 images |
| Salvia gesneriiflora Lindl. & Paxton | 26 images |
| Salvia gravida Epling | 2 images |
| Salvia greggii A.Gray | 559 images |
| Salvia hispanica L. | 711 images |
| Salvia indigocephala Ramamoorthy | 2 images |
| Salvia involucrata Cav. | 601 images |
| Salvia karwinskii Benth. | 5 images |
| Salvia keerlii Benth. | 7 images |
| Salvia laevis Benth. | 1 images |
| Salvia lasiantha Benth. | 1 images |
| Salvia lasiocephala Hook. & Arn. | 6 images |
| Salvia lavanduloides Kunth | 3 images |
| Salvia leucantha Cav. | 2226 images |
| Salvia leucophylla Greene | 322 images |
| Salvia longispicata M.Martens & Galeotti | 15 images |
| Salvia lycioides A.Gray | 1 images |
| Salvia madrensis Seem. | 26 images |
| Salvia melissodora Lag. | 4 images |
| Salvia mellifera Greene | 534 images |
| Salvia microphylla Kunth | 13253 images |
| Salvia miniata Fernald | 9 images |
| Salvia misella Kunth | 9 images |
| Salvia mohavensis Greene | 1 images |
| Salvia munzii Epling | 4 images |
| Salvia oblongifolia M.Martens & Galeotti | 2 images |
| Salvia occidentalis Sw. | 33 images |
| Salvia pachyphylla Epling ex Munz | 62 images |
| Salvia patens Cav. | 1032 images |
| Salvia polystachia Cav. | 4 images |
| Salvia prunelloides Kunth | 1 images |
| Salvia puberula Fernald | 3 images |
| Salvia purpurea Cav. | 24 images |
| Salvia reflexa Hornem. | 29 images |
| Salvia regla Cav. | 37 images |
| Salvia roemeriana Scheele | 83 images |
| Salvia rosmarinus Spenn. | 17781 images |
| Salvia semiatrata Zucc. | 29 images |
| Salvia serotina L. | 3 images |
| Salvia sessei Benth. | 3 images |
| Salvia splendens Sellow ex Nees | 1596 images |
| Salvia subincisa Benth. | 9 images |
| Salvia texana (Scheele) Torr. | 24 images |
| Salvia tiliifolia Vahl | 129 images |
| Salvia vaseyi (Porter) Parish | 10 images |
| Salvia verbenaca L. | 6027 images |
| Salvia whitehousei Alziar | 3 images |
| Salvia xalapensis Benth. | 1 images |
| Salvinia auriculata Aubl. | 133 images |
| Salvinia minima Baker | 56 images |
| Samanea saman (Jacq.) Merr. | 446 images |
| Sambucus canadensis L. | 4672 images |
| Sambucus cerulea Raf. | 9 images |
| Sambucus mexicana C.Presl ex DC. | 2 images |
| Sambucus nigra L. | 28265 images |
| Samolus ebracteatus Kunth | 14 images |
| Samolus parviflorus Raf. | 2 images |
| Sanchezia parvibracteata Sprague & Hutch. | 24 images |
| Sanicula arguta Greene ex J.M.Coult. & Rose | 9 images |
| Sanicula bipinnatifida Douglas | 209 images |
| Sanicula crassicaulis Poepp. ex DC. | 211 images |
| Sanicula liberta Cham. & Schltdl. | 9 images |
| Sanvitalia abertii A.Gray | 8 images |
| Sanvitalia procumbens Lam. | 1457 images |
| Sapindus saponaria L. | 486 images |
| Sapium glandulosum (L.) Morong | 156 images |
| Sapium laurifolium (A.Rich.) Griseb. | 8 images |
| Sarcobatus vermiculatus (Hook.) Torr. | 45 images |
| Sarcodes sanguinea Torr. | 300 images |
| Sarcoglottis sceptrodes (Rchb.f.) Schltr. | 2 images |
| Sarcomphalus guatemalensis (Hemsl.) Hauenschild | 26 images |
| Satyria meiantha Donn.Sm. | 15 images |
| Satyria panurensis (Benth. ex Meisn.) Hook.f. ex Nied. | 22 images |
| Satyria warszewiczii Klotzsch | 36 images |
| Saurauia montana Seem. | 69 images |
| Saurauia selerorum Buscal. | 4 images |
| Saurauia yasicae Loes. | 51 images |
| Saururus cernuus L. | 348 images |
| Sauvagesia erecta L. | 88 images |
| Sauvagesia pulchella Planch. | 11 images |
| Sauvagesia tenella Lam. | 1 images |
| Scadoxus multiflorus (Martyn) Raf. | 1159 images |
| Scaevola plumieri (L.) Vahl | 255 images |
| Scaevola taccada (Gaertn.) Roxb. | 1026 images |
| Scaphosepalum microdactylum Rolfe | 14 images |
| Scaphyglottis behrii (Rchb.f.) Benth. & Hook.f. ex Hemsl. | 4 images |
| Scaphyglottis crurigera (Bateman ex Lindl.) Ames & Correll | 5 images |
| Scaphyglottis imbricata (Lindl.) Dressler | 32 images |
| Scaphyglottis lindeniana (A.Rich. & Galeotti) L.O.Williams | 6 images |
| Scaphyglottis minutiflora Ames & Correll | 18 images |
| Scaphyglottis prolifera (R.Br.) Cogn. | 37 images |
| Schaefferia cuneifolia A.Gray | 3 images |
| Schaefferia frutescens Jacq. | 6 images |
| Schinus molle L. | 6208 images |
| Schinus terebinthifolia Raddi | 2367 images |
| Schismus arabicus Nees | 14 images |
| Schismus barbatus (L.) Thell. | 18 images |
| Schistocarpha eupatorioides (Fenzl) Kuntze | 17 images |
| Schizachyrium condensatum (Kunth) Nees | 6 images |
| Schizachyrium scoparium (Michx.) Nash | 50 images |
| Schizaea elegans (Vahl) Sw. | 8 images |
| Schizolobium parahyba (Vell.) S.F.Blake | 224 images |
| Schkuhria pinnata (Lam.) Kuntze ex Thell. | 53 images |
| Schlegelia nicaraguensis Standl. | 42 images |
| Schlegelia parviflora (Oerst.) Monach. | 45 images |
| Schnella glabra (Jacq.) Dugand | 30 images |
| Schnella guianensis (Aubl.) Wunderlin | 118 images |
| Schnella microstachya Raddi | 5 images |
| Schoenocaulon officinale (Schltdl. & Cham.) A.Gray | 46 images |
| Schoenocaulon texanum Scheele | 6 images |
| Schoenoplectus californicus (C.A.Mey.) Soják | 36 images |
| Schoenoplectus pungens (Vahl) Palla | 60 images |
| Schoenoplectus tabernaemontani (C.C.Gmel.) Palla | 82 images |
| Schoenus nigricans L. | 392 images |
| Schoepfia schreberi J.F.Gmel. | 34 images |
| Schoepfia vacciniiflora Planch. ex Hemsl. | 18 images |
| Schultesia guianensis (Aubl.) Malme | 21 images |
| Schultesianthus leucanthus (Donn.Sm.) Hunz. | 35 images |
| Schwackaea cupheoides (Benth.) Cogn. | 9 images |
| Schwenckia americana L. | 46 images |
| Sciaphila picta Miers | 1 images |
| Scilla peruviana L. | 1327 images |
| Scirpus cyperinus (L.) Kunth | 111 images |
| Scirpus microcarpus J.Presl & C.Presl | 4 images |
| Scirpus pendulus Muhl. | 30 images |
| Scleria anceps Liebm. | 4 images |
| Scleria bracteata Cav. | 2 images |
| Scleria flagellum-nigrorum P.J.Bergius | 1 images |
| Scleria gaertneri Raddi | 67 images |
| Scleria latifolia Sw. | 23 images |
| Scleria lithosperma (L.) Sw. | 6 images |
| Scleria macrophylla J.Presl & C.Presl | 12 images |
| Scleria microcarpa Nees ex Kunth | 16 images |
| Scleria secans (L.) Urb. | 31 images |
| Sclerocactus brevihamatus (Engelm.) D.R.Hunt | 1 images |
| Sclerocactus johnsonii (Parry ex Engelm.) N.P.Taylor | 15 images |
| Sclerocactus mariposensis (Hester) N.P.Taylor | 4 images |
| Sclerocactus scheeri (Salm-Dyck) N.P.Taylor | 1 images |
| Sclerocactus unguispinus (Engelm.) N.P.Taylor | 10 images |
| Sclerocactus warnockii (L.D.Benson) N.P.Taylor | 7 images |
| Sclerocarpus divaricatus (Benth.) Benth. & Hook.f. ex Hemsl. | 31 images |
| Scoparia dulcis L. | 285 images |
| Scrophularia californica Cham. & Schltdl. | 44 images |
| Scutellaria cordifolia (Schltdl. & Cham.) Benth. | 2 images |
| Scutellaria drummondii Benth. | 51 images |
| Scutellaria mexicana (Torr.) A.J.Paton | 16 images |
| Scutellaria orichalcea J.D.Sm. | 3 images |
| Scutellaria ovata Hill | 78 images |
| Scutellaria racemosa Pers. | 52 images |
| Scutellaria suffrutescens S.Watson | 3 images |
| Scutellaria tuberosa Benth. | 74 images |
| Sebastiania pavoniana (Müll.Arg.) Müll.Arg. | 11 images |
| Secale cereale L. | 3400 images |
| Securidaca diversifolia (L.) S.F.Blake | 61 images |
| Securidaca sylvestris Schltdl. | 4 images |
| Sedum adolphi Raym.-Hamet | 3993 images |
| Sedum alamosanum S.Watson | 3 images |
| Sedum alexanderi Eggli | 3 images |
| Sedum allantoides Rose | 80 images |
| Sedum bellum Praeger | 3 images |
| Sedum booleanum B.L.Turner | 1 images |
| Sedum burrito Moran | 1359 images |
| Sedum caducum R.T.Clausen | 3 images |
| Sedum clavatum R.T.Clausen | 36 images |
| Sedum cockerellii Britton | 2 images |
| Sedum commixtum Moran & Hutchison | 9 images |
| Sedum compactum Rose | 4 images |
| Sedum confusum Hemsl. | 6 images |
| Sedum corynephyllum Fröd. | 7 images |
| Sedum craigii R.T.Clausen | 4 images |
| Sedum cupressoides Hemsl. | 1 images |
| Sedum cuspidatum Alexander | 4 images |
| Sedum dendroideum Moc. & Sessé ex DC. | 687 images |
| Sedum diffusum S.Watson | 18 images |
| Sedum ebracteatum Moc. & Sessé ex DC. | 5 images |
| Sedum frutescens Rose | 4 images |
| Sedum furfuraceum Moran | 83 images |
| Sedum goldmanii (Rose) Moran | 40 images |
| Sedum greggii Hemsl. | 23 images |
| Sedum griseum Praeger | 2 images |
| Sedum guadalajaranum S.Watson | 3 images |
| Sedum havardii Rose | 1 images |
| Sedum hemsleyanum Rose | 34 images |
| Sedum hernandezii J.Meyrán | 11 images |
| Sedum hintonii R.T.Clausen | 9 images |
| Sedum hultenii Fröd. | 4 images |
| Sedum humifusum Rose | 14 images |
| Sedum jurgensenii (Hemsl.) Moran | 3 images |
| Sedum kimnachii V.V.Byalt | 108 images |
| Sedum kristenii J.Reyes, O.González & Etter | 1 images |
| Sedum lucidum R.T.Clausen | 20 images |
| Sedum luteoviride R.T.Clausen | 5 images |
| Sedum macdougallii Moran | 1 images |
| Sedum mendozae (Glass & Cházaro) V.V.Byalt | 1294 images |
| Sedum mexicanum Britton | 710 images |
| Sedum mocinoanum Pérez-Calix | 16 images |
| Sedum moranense Kunth | 55 images |
| Sedum morganianum E.Walther | 2311 images |
| Sedum niveum Davidson | 35 images |
| Sedum oaxacanum Rose | 2 images |
| Sedum orbatum Moran & J.Meyrán | 1 images |
| Sedum oxypetalum Kunth | 7 images |
| Sedum pachyphyllum Rose | 1711 images |
| Sedum palmeri S.Watson | 3402 images |
| Sedum praealtum A.DC. | 308 images |
| Sedum sinforosanum J.Reyes, Etter & Kristen | 6 images |
| Sedum stahlii Solms | 100 images |
| Sedum stelliforme S.Watson | 10 images |
| Sedum suaveolens Kimnach | 15 images |
| Sedum torulosum R.T.Clausen | 1 images |
| Sedum treleasei Rose | 77 images |
| Sedum versadense C.H.Thomps. | 2 images |
| Sedum wrightii A.Gray | 5 images |
| Selaginella apoda (L.) Spring | 13 images |
| Selaginella eurynota A.Braun | 29 images |
| Selaginella flagellata Spring | 5 images |
| Selaginella hoffmannii Hieron. | 5 images |
| Selaginella lepidophylla (Hook. & Grev.) Spring | 97 images |
| Selaginella martensii Spring | 93 images |
| Selaginella oaxacana Spring | 16 images |
| Selaginella pallescens (C.Presl) Spring | 56 images |
| Selaginella pulcherrima Liebm. ex E.Fourn. | 2 images |
| Selaginella sellowii Hieron. | 1 images |
| Selaginella simplex Baker | 1 images |
| Selaginella stellata Spring | 2 images |
| Selaginella stenophylla A.Braun | 85 images |
| Selaginella umbrosa Lem. ex Hieron. | 37 images |
| Selenicereus anthonyanus (Alexander) D.R.Hunt | 45 images |
| Selenicereus grandiflorus (L.) Britton & Rose | 264 images |
| Selenicereus hamatus (Scheidw.) Britton & Rose | 28 images |
| Selenicereus ocamponis (Salm-Dyck) D.R.Hunt | 7 images |
| Selenicereus pteranthus (Link ex A.Dietr.) Britton & Rose | 9 images |
| Selenicereus purpusii (Weing.) S.Arias & N.Korotkova | 3 images |
| Selenicereus spinulosus (DC.) Britton & Rose | 5 images |
| Selenicereus undatus (Haw.) D.R.Hunt | 2500 images |
| Selenicereus validus S.Arias & U.Guzmán | 198 images |
| Semialarium mexicanum (Miers) Mennega | 35 images |
| Senecio ampullaceus Hook. | 308 images |
| Senecio californicus DC. | 27 images |
| Senecio callosus Sch.Bip. | 2 images |
| Senecio cinerarioides Kunth | 11 images |
| Senecio flaccidus Less. | 141 images |
| Senecio lemmonii A.Gray | 2 images |
| Senecio mairetianus DC. | 17 images |
| Senecio mohavensis A.Gray | 19 images |
| Senecio procumbens Kunth | 1 images |
| Senecio riddellii Torr. & A.Gray | 4 images |
| Senecio roseus Sch.Bip. | 70 images |
| Senecio spartioides Torr. & A.Gray | 19 images |
| Senecio vulgaris L. | 9330 images |
| Senecio wootonii Greene | 10 images |
| Senegalia berlandieri (Benth.) Britton & Rose | 32 images |
| Senegalia gaumeri (S.F.Blake) Britton & Rose | 13 images |
| Senegalia hayesii (Benth.) Britton & Rose | 31 images |
| Senegalia polyphylla (DC.) Britton & Rose | 3 images |
| Senegalia riparia (Kunth) Britton & Rose | 32 images |
| Senegalia roemeriana (Scheele) Britton & Rose | 1 images |
| Senegalia tenuifolia (L.) Britton & Rose | 31 images |
| Senegalia tucumanensis (Griseb.) Seigler & Ebinger | 4 images |
| Senna × floribunda (Cav.) H.S.Irwin & Barneby | 27 images |
| Senna alata (L.) Roxb. | 885 images |
| Senna alexandrina Mill. | 61 images |
| Senna armata (S.Watson) H.S.Irwin & Barneby | 5 images |
| Senna atomaria (L.) H.S.Irwin & Barneby | 49 images |
| Senna cobanensis (Britton) H.S.Irwin & Barneby | 16 images |
| Senna hayesiana (Britton & Rose) H.S.Irwin & Barneby | 55 images |
| Senna hirsuta (L.) H.S.Irwin & Barneby | 58 images |
| Senna multiglandulosa (Jacq.) H.S.Irwin & Barneby | 85 images |
| Senna multijuga (Rich.) H.S.Irwin & Barneby | 122 images |
| Senna obtusifolia (L.) H.S.Irwin & Barneby | 426 images |
| Senna occidentalis (L.) Link | 1362 images |
| Senna pallida (Vahl) H.S.Irwin & Barneby | 10 images |
| Senna papillosa (Britton & Rose) H.S.Irwin & Barneby | 88 images |
| Senna pendula (Humb. & Bonpl. ex Willd.) H.S.Irwin & Barneby | 277 images |
| Senna pilifera (Vogel) H.S.Irwin & Barneby | 8 images |
| Senna quinquangulata (Rich.) H.S.Irwin & Barneby | 22 images |
| Senna reticulata (Willd.) H.S.Irwin & Barneby | 38 images |
| Senna septemtrionalis (Viv.) H.S.Irwin & Barneby | 24 images |
| Senna skinneri (Benth.) H.S.Irwin & Barneby | 47 images |
| Senna spectabilis (DC.) H.S.Irwin & Barneby | 275 images |
| Senna undulata (Benth.) H.S.Irwin & Barneby | 5 images |
| Senna uniflora (Mill.) H.S.Irwin & Barneby | 27 images |
| Serjania acuta Triana & Planch. | 4 images |
| Serjania atrolineata C.Wright | 19 images |
| Serjania caracasana (Jacq.) Willd. | 5 images |
| Serjania mexicana (L.) Willd. | 18 images |
| Serjania paniculata Kunth | 1 images |
| Serjania paucidentata DC. | 1 images |
| Serjania racemosa Schumach. | 6 images |
| Serjania rhombea Radlk. | 6 images |
| Serjania schiedeana Schltdl. | 9 images |
| Serjania triquetra Radlk. | 3 images |
| Serpocaulon dissimile (L.) A.R.Sm. | 11 images |
| Serpocaulon fraxinifolium (Jacq.) A.R.Sm. | 1 images |
| Serpocaulon triseriale (Sw.) A.R.Sm. | 38 images |
| Sesamum indicum L. | 362 images |
| Sesbania drummondii (Rydb.) Cory | 81 images |
| Sesbania herbacea (Mill.) McVaugh | 107 images |
| Sesbania virgata (Cav.) Poir. | 7 images |
| Sesuvium portulacastrum (L.) L. | 866 images |
| Sesuvium revolutifolium Ortega | 40 images |
| Setaria adhaerens (Forssk.) Chiov. | 12 images |
| Setaria faberi R.A.W.Herrm. | 28 images |
| Setaria geminata (Forssk.) Veldkamp | 12 images |
| Setaria leucopila (Scribn. & Merr.) K.Schum. | 3 images |
| Setaria liebmannii E.Fourn. | 16 images |
| Setaria macrostachya Kunth | 5 images |
| Setaria magna Griseb. | 4 images |
| Setaria palmifolia (J.Koenig) Stapf | 113 images |
| Setaria parviflora (Poir.) Kerguélen | 161 images |
| Setaria poiretiana (Schult.) Kunth | 2 images |
| Setaria pumila (Poir.) Roem. & Schult. | 2523 images |
| Setaria scheelei (Steud.) Hitchc. | 7 images |
| Setaria sphacelata (Schumach.) Stapf & C.E.Hubb. ex Moss | 4 images |
| Setaria sulcata Raddi | 8 images |
| Setaria tenax (Rich.) Desv. | 3 images |
| Setaria verticillata (L.) P.Beauv. | 1207 images |
| Setaria viridis (L.) P.Beauv. | 150 images |
| Setaria vulpiseta (Lam.) Roem. & Schult. | 12 images |
| Seymeria bipinnatisecta Seem. | 4 images |
| Sherardia arvensis L. | 4103 images |
| Sibbaldia procumbens L. | 174 images |
| Sicana odorifera (Vell.) Naudin | 4 images |
| Sicydium schiedeanum Schltdl. | 9 images |
| Sicydium tamnifolium (Kunth) Cogn. | 29 images |
| Sicyos edulis Jacq. | 1290 images |
| Sicyos microphyllus Kunth | 8 images |
| Sida acuta Burm.f. | 818 images |
| Sida ciliaris L. | 104 images |
| Sida cordifolia L. | 178 images |
| Sida cuspidata (A.Robyns) Krapov. | 25 images |
| Sida glabra Mill. | 43 images |
| Sida haenkeana C.Presl | 10 images |
| Sida hirsutissima Mill. | 2 images |
| Sida hyssopifolia C.Presl | 6 images |
| Sida linifolia Juss. ex Cav. | 63 images |
| Sida rhombifolia L. | 785 images |
| Sida spinosa L. | 151 images |
| Sida ulmifolia Mill. | 8 images |
| Sida urens L. | 26 images |
| Sidalcea malviflora (DC.) A.Gray | 159 images |
| Sidalcea neomexicana A.Gray | 25 images |
| Sidastrum paniculatum (L.) Fryxell | 10 images |
| Sideroxylon capiri (A.DC.) Pittier | 10 images |
| Sideroxylon contrerasii (Lundell) T.D.Penn. | 9 images |
| Sideroxylon foetidissimum Jacq. | 32 images |
| Sideroxylon lanuginosum Michx. | 93 images |
| Sideroxylon obtusifolium (Roem. & Schult.) T.D.Penn. | 16 images |
| Sideroxylon persimile (Hemsl.) T.D.Penn. | 2 images |
| Sideroxylon portoricense Urb. | 2 images |
| Sideroxylon salicifolium (L.) Lam. | 27 images |
| Sideroxylon stenospermum (Standl.) T.D.Penn. | 20 images |
| Sigesbeckia jorullensis Kunth | 16 images |
| Sigmoidotropis speciosa (Kunth) A.Delgado | 63 images |
| Silene antirrhina L. | 14 images |
| Silene gallica L. | 1779 images |
| Silene laciniata Cav. | 249 images |
| Silene scouleri Hook. | 2 images |
| Silene verecunda S.Watson | 4 images |
| Silybum marianum (L.) Gaertn. | 9257 images |
| Simarouba amara Aubl. | 167 images |
| Simarouba glauca DC. | 36 images |
| Simmondsia chinensis (Link) C.K.Schneid. | 16 images |
| Simpsonanthus jonesii (A.Gray) Guilliams, Hasenstab & B.G.Baldwin | 1 images |
| Sinclairia polyantha (Klatt) Rydb. | 11 images |
| Sinningia incarnata (Aubl.) D.L.Denham | 15 images |
| Siparuna gesnerioides (Kunth) A.DC. | 52 images |
| Siparuna grandiflora (Kunth) Perkins | 25 images |
| Siparuna thecaphora (Poepp. & Endl.) A.DC. | 85 images |
| Sisymbrium altissimum L. | 327 images |
| Sisymbrium irio L. | 2440 images |
| Sisymbrium officinale (L.) Scop. | 5824 images |
| Sisymbrium orientale L. | 325 images |
| Sisyrinchium bellum S.Watson | 20 images |
| Sisyrinchium micranthum Cav. | 64 images |
| Sisyrinchium minus Engelm. & A.Gray | 4 images |
| Sisyrinchium rosulatum E.P.Bicknell | 258 images |
| Sisyrinchium vaginatum Spreng. | 1 images |
| Sloanea ampla I.M.Johnst. | 12 images |
| Sloanea terniflora (Moc. & Sessé ex DC.) Standl. | 30 images |
| Sloanea tuerckheimii Donn.Sm. | 6 images |
| Smallanthus maculatus (Cav.) H.Rob. | 15 images |
| Smallanthus uvedalia (L.) Mack. | 63 images |
| Smilax bona-nox L. | 739 images |
| Smilax domingensis Willd. | 58 images |
| Smilax glauca Walter | 60 images |
| Smilax mollis Humb. & Bonpl. ex Willd. | 35 images |
| Smilax spinosa Mill. | 26 images |
| Smilax subpubescens A.DC. | 11 images |
| Smilax tamnoides L. | 165 images |
| Sobralia decora Bateman | 76 images |
| Sobralia fragrans Lindl. | 22 images |
| Sobralia leucoxantha Rchb.f. | 14 images |
| Sobralia macrantha Lindl. | 65 images |
| Sobralia mucronata Ames & C.Schweinf. | 17 images |
| Solandra grandiflora Sw. | 206 images |
| Solandra guttata D.Don | 32 images |
| Solandra maxima (Moc. & Sessé ex Dunal) P.S.Green | 1727 images |
| Solanum acerifolium Humb. & Bonpl. ex Dunal | 4 images |
| Solanum aligerum Schltdl. | 11 images |
| Solanum americanum Mill. | 5602 images |
| Solanum aphyodendron S.Knapp | 26 images |
| Solanum asperolanatum Ruiz & Pav. | 2 images |
| Solanum asperum Rich. | 14 images |
| Solanum aturense Humb. & Bonpl. ex Dunal | 22 images |
| Solanum betaceum Cav. | 1043 images |
| Solanum campechiense L. | 10 images |
| Solanum candidum Lindl. | 61 images |
| Solanum capsicoides All. | 82 images |
| Solanum carolinense L. | 1492 images |
| Solanum chrysotrichum Schltdl. | 27 images |
| Solanum citrullifolium A.Braun | 17 images |
| Solanum dimidiatum Raf. | 172 images |
| Solanum diphyllum L. | 425 images |
| Solanum donianum Walp. | 4 images |
| Solanum douglasii Dunal | 150 images |
| Solanum elaeagnifolium Cav. | 1549 images |
| Solanum erianthum D.Don | 2 images |
| Solanum erythrotrichum Fernald | 12 images |
| Solanum ferrugineum Jacq. | 1 images |
| Solanum hazenii Britton | 43 images |
| Solanum heterodoxum Dunal | 20 images |
| Solanum hindsianum Benth. | 45 images |
| Solanum hirtum Vahl | 13 images |
| Solanum houstonii Martyn | 1 images |
| Solanum jamaicense Mill. | 46 images |
| Solanum lanceifolium Jacq. | 20 images |
| Solanum lanceolatum Cav. | 17 images |
| Solanum lepidotum Humb. & Bonpl. ex Dunal | 7 images |
| Solanum nigrescens M.Martens & Galeotti | 21 images |
| Solanum nigricans M.Martens & Galeotti | 10 images |
| Solanum nudum Humb. & Bonpl. ex Dunal | 159 images |
| Solanum oxycarpum Schiede | 5 images |
| Solanum pectinatum Dunal | 1 images |
| Solanum phaseoloides Pol. | 3 images |
| Solanum pseudocapsicum L. | 3027 images |
| Solanum rostratum Dunal | 540 images |
| Solanum rovirosanum Donn.Sm. | 49 images |
| Solanum schlechtendalianum Walp. | 48 images |
| Solanum seaforthianum Andrews | 313 images |
| Solanum splendens (Dunal) Bohs | 91 images |
| Solanum stoloniferum Schltdl. | 4 images |
| Solanum subinerme Jacq. | 43 images |
| Solanum torvum Sw. | 1119 images |
| Solanum triquetrum Cav. | 21 images |
| Solanum trizygum Bitter | 8 images |
| Solanum tuerckheimii Greenm. | 4 images |
| Solanum umbellatum Mill. | 58 images |
| Solanum umbelliferum Eschsch. | 280 images |
| Solanum viarum Dunal | 237 images |
| Solanum volubile Sw. | 10 images |
| Solanum wendlandii Hook.f. | 16 images |
| Soleirolia soleirolii (Req.) Dandy | 1901 images |
| Solenandra mexicana (A.Gray) Borhidi | 47 images |
| Solenophora calycosa Donn.Sm. | 8 images |
| Solidago altissima L. | 508 images |
| Solidago canadensis L. | 13564 images |
| Solidago gigantea Aiton | 6077 images |
| Solidago missouriensis Nutt. | 23 images |
| Solidago petiolaris Aiton | 10 images |
| Solidago simplex Kunth | 16 images |
| Solidago velutina DC. | 89 images |
| Soliva mexicana DC. | 9 images |
| Sonchus asper (L.) Hill | 13365 images |
| Sonchus oleraceus L. | 13384 images |
| Sonchus tenerrimus L. | 4812 images |
| Sophora tomentosa L. | 223 images |
| Sorghastrum nutans (L.) Nash | 173 images |
| Sorghum × drummondii (Nees ex Steud.) Millsp. & Chase | 3 images |
| Sorghum bicolor (L.) Moench | 2109 images |
| Sorghum halepense (L.) Pers. | 2799 images |
| Sorocea affinis Hemsl. | 55 images |
| Sorocea trophoides W.C.Burger | 33 images |
| Souroubea loczyi (V.A.Richt.) de Roon | 3 images |
| Spananthe paniculata Jacq. | 45 images |
| Sparattanthelium amazonum Mart. | 7 images |
| Sparganium americanum Nutt. | 14 images |
| Sparganium eurycarpum Engelm. | 46 images |
| Spathiphyllum blandum Schott | 877 images |
| Spathiphyllum cochlearispathum (Liebm.) Engl. | 8 images |
| Spathiphyllum friedrichsthalii Schott | 55 images |
| Spathiphyllum phryniifolium Schott | 18 images |
| Spathiphyllum wallisii Regel | 7068 images |
| Spathodea campanulata P.Beauv. | 2053 images |
| Specklinia brighamii (S.Watson) Pridgeon & M.W.Chase | 14 images |
| Specklinia grobyi (Bateman ex Lindl.) F.Barros | 13 images |
| Specklinia microphylla (A.Rich. & Galeotti) Pridgeon & M.W.Chase | 23 images |
| Specklinia picta (Lindl.) Pridgeon & M.W.Chase | 4 images |
| Specklinia tribuloides (Sw.) Pridgeon & M.W.Chase | 1 images |
| Spergula arvensis L. | 1161 images |
| Spergularia bocconei (Scheele) Graebn. | 59 images |
| Spergularia macrotheca (Hornem. ex Cham. & Schltdl.) Heynh. | 1 images |
| Spergularia marina (L.) Besser | 600 images |
| Spermacoce exilis (L.O.Williams) C.D.Adams ex W.C.Burger & C.M.Taylor | 3 images |
| Spermacoce latifolia Aubl. | 17 images |
| Spermacoce ocymifolia Willd. | 26 images |
| Spermacoce ovalifolia (M.Martens & Galeotti) Hemsl. | 8 images |
| Spermacoce prostrata Aubl. | 39 images |
| Spermacoce remota Lam. | 168 images |
| Spermacoce suaveolens (G.Mey.) Kuntze | 18 images |
| Spermacoce tenuior L. | 14 images |
| Spermacoce verticillata L. | 305 images |
| Sphaeralcea ambigua A.Gray | 449 images |
| Sphaeralcea angustifolia (Cav.) G.Don | 24 images |
| Sphaeralcea coccinea (Nutt.) Rydb. | 159 images |
| Sphaeralcea coulteri (S.Watson) A.Gray | 11 images |
| Sphaeralcea emoryi Torr. ex A.Gray | 13 images |
| Sphaeralcea fendleri A.Gray | 5 images |
| Sphaeralcea hastulata A.Gray | 25 images |
| Sphaeralcea incana Torr. ex A.Gray | 19 images |
| Sphaeralcea pedatifida (A.Gray) A.Gray | 4 images |
| Sphaeropteris myosuroides (Liebm.) R.M.Tryon | 3 images |
| Sphagneticola trilobata (L.) Pruski | 1942 images |
| Sphenoclea zeylanica Gaertn. | 21 images |
| Sphenopholis obtusata (Michx.) Scribn. | 9 images |
| Sphyrospermum buxifolium Poepp. & Endl. | 49 images |
| Spigelia anthelmia L. | 207 images |
| Spigelia hedyotidea A.DC. | 1 images |
| Spigelia humboldtiana Cham. & Schltdl. | 37 images |
| Spigelia splendens Hook. | 5 images |
| Spilanthes urens Jacq. | 3 images |
| Spiracantha cornifolia Kunth | 33 images |
| Spiranthes vernalis Engelm. & A.Gray | 60 images |
| Spirodela polyrhiza (L.) Schleid. | 183 images |
| Spondias mombin L. | 340 images |
| Spondias purpurea L. | 482 images |
| Spondias radlkoferi Donn.Sm. | 75 images |
| Sporobolus airoides (Torr.) Torr. | 24 images |
| Sporobolus alopecuroides (Piller & Mitterp.) P.M.Peterson | 55 images |
| Sporobolus alterniflorus (Loisel.) P.M.Peterson & Saarela | 60 images |
| Sporobolus cryptandrus (Torr.) A.Gray | 9 images |
| Sporobolus cynosuroides (L.) P.M.Peterson & Saarela | 1 images |
| Sporobolus foliosus (Trin.) P.M.Peterson & Saarela | 2 images |
| Sporobolus indicus (L.) R.Br. | 396 images |
| Sporobolus niliacus (Fig. & De Not.) P.M.Peterson | 4 images |
| Sporobolus pumilus (Roth) P.M.Peterson & Saarela | 47 images |
| Sporobolus pyramidalis P.Beauv. | 5 images |
| Sporobolus pyramidatus (Lam.) Hitchc. | 4 images |
| Sporobolus schoenoides (L.) P.M.Peterson | 88 images |
| Sporobolus tenuissimus (Mart. ex Schrank) Kuntze | 3 images |
| Sporobolus virginicus (L.) Kunth | 27 images |
| Sprekelia formosissima (L.) Herb. | 170 images |
| Stachys ajugoides Benth. | 41 images |
| Stachys coccinea Ortega | 41 images |
| Stachys drummondii Benth. | 5 images |
| Stachys rigida Nutt. ex Benth. | 34 images |
| Stachytarpheta calderonii Moldenke | 18 images |
| Stachytarpheta cayennensis (Rich.) Vahl | 410 images |
| Stachytarpheta frantzii Pol. | 125 images |
| Stachytarpheta indica (L.) Vahl | 115 images |
| Stachytarpheta jamaicensis (L.) Vahl | 1193 images |
| Stachytarpheta mutabilis (Jacq.) Vahl | 221 images |
| Stanhopea dodsoniana Salazar & Soto Arenas | 3 images |
| Stanhopea graveolens Lindl. | 13 images |
| Stanhopea hernandezii (Kunth) Schltr. | 3 images |
| Stanhopea oculata (Lodd.) Lindl. | 11 images |
| Stanhopea pseudoradiosa Jenny & R.Gonzalez | 3 images |
| Stanhopea radiosa Lem. | 4 images |
| Stanhopea ruckeri Lindl. | 2 images |
| Stanhopea saccata Bateman | 4 images |
| Stanhopea tigrina Bateman ex Lindl. | 21 images |
| Stanhopea whittenii Soto Arenas, Salazar & G.Gerlach | 7 images |
| Stanleya pinnata (Pursh) Britton | 96 images |
| Stapfochloa ciliata (Sw.) P.M.Peterson | 3 images |
| Stapfochloa elata (Desv.) P.M.Peterson | 3 images |
| Staurogyne miqueliana Kuntze | 1 images |
| Stegnosperma cubense A.Rich. | 14 images |
| Steinchisma hians (Elliott) Nash | 4 images |
| Steinchisma laxum (Sw.) Zuloaga | 168 images |
| Stelis argentata Lindl. | 34 images |
| Stelis ciliaris Lindl. | 1 images |
| Stelis emarginata (Lindl.) Soto Arenas & Solano | 3 images |
| Stelis gelida (Lindl.) Pridgeon & M.W.Chase | 7 images |
| Stelis hymenantha Schltr. | 7 images |
| Stelis megachlamys (Schltr.) Pupulin | 5 images |
| Stelis pardipes Rchb.f. | 14 images |
| Stelis parvula Lindl. | 17 images |
| Stelis rubens Schltr. | 3 images |
| Stelis segoviensis (Rchb.f.) Pridgeon & M.W.Chase | 4 images |
| Stelis superbiens Lindl. | 49 images |
| Stelis villosa (Knowles & Westc.) Pridgeon & M.W.Chase | 6 images |
| Stellaria cuspidata Willd. ex D.F.K.Schltdl. | 10 images |
| Stellaria media (L.) Vill. | 12288 images |
| Stellaria nemorum L. | 1413 images |
| Stellaria nitens Nutt. | 5 images |
| Stellaria ovata Willd. ex D.F.K.Schltdl. | 23 images |
| Stemodia durantifolia (L.) Sw. | 57 images |
| Stemodia jorullensis Kunth | 6 images |
| Stemodia verticillata (Mill.) Hassl. | 108 images |
| Stenandrium barbatum Torr. & A.Gray | 7 images |
| Stenandrium dulce (Cav.) Nees | 13 images |
| Stenaria nigricans (Lam.) Terrell | 104 images |
| Stenocactus coptonogonus (Lem.) A.Berger | 1 images |
| Stenocactus crispatus (DC.) A.Berger | 66 images |
| Stenocactus multicostatus (Daul) A.Berger | 47 images |
| Stenocactus obvallatus (DC.) A.Berger | 12 images |
| Stenocactus ochoterenianus Tiegel | 8 images |
| Stenocactus phyllacanthus (A.Dietr. & Otto) A.Berger | 4 images |
| Stenocactus vaupelianus (Werderm.) F.M.Knuth | 15 images |
| Stenocereus alamosensis (J.M.Coult.) A.C.Gibson & K.E.Horak | 2 images |
| Stenocereus beneckei (Ehrenb.) A.Berger & Buxb. | 3 images |
| Stenocereus eruca (Brandegee) A.C.Gibson & K.E.Horak | 11 images |
| Stenocereus griseus (Haw.) Buxb. | 55 images |
| Stenocereus gummosus (Engelm.) A.C.Gibson & K.E.Horak | 22 images |
| Stenocereus montanus (Britton & Rose) Buxb. | 1 images |
| Stenocereus pruinosus (Otto ex Pfeiff.) Buxb. | 200 images |
| Stenocereus queretaroensis (F.A.C.Weber ex Mathsson) Buxb. | 1 images |
| Stenocereus stellatus (Pfeiff.) Riccob. | 36 images |
| Stenocereus thurberi (Engelm.) Buxb. | 251 images |
| Stenorrhynchos speciosum (Jacq.) Rich. | 12 images |
| Stenostephanus leiorhachis (Lindau) Hammel | 34 images |
| Stenotaphrum secundatum (Walter) Kuntze | 486 images |
| Stenotyla lendyana (Rchb.f.) Dressler | 1 images |
| Stephanomeria diegensis Gottlieb | 25 images |
| Stephanomeria exigua Nutt. | 15 images |
| Stephanomeria virgata Benth. | 42 images |
| Stephostachys mertensii (Roth) Zuloaga & Morrone | 4 images |
| Sterculia apetala (Jacq.) H.Karst. | 221 images |
| Stevia micrantha Lag. | 8 images |
| Stevia monardifolia Kunth | 36 images |
| Stevia serrata Cav. | 23 images |
| Stevia viscida Kunth | 24 images |
| Sticherus ferrugineus (Desv.) J.Gonzales | 18 images |
| Stigmaphyllon ellipticum (Kunth) A.Juss. | 66 images |
| Stigmaphyllon lindenianum A.Juss. | 83 images |
| Stigmaphyllon retusum Griseb. & Oerst. | 12 images |
| Stigmatopteris longicaudata C.Chr. | 9 images |
| Stigmatopteris sordida C.Chr. | 7 images |
| Stillingia spinulosa Torr. | 12 images |
| Stizophyllum riparium (Kunth) Sandwith | 3 images |
| Strelitzia nicolai Regel & Körn. | 66 images |
| Strelitzia reginae Banks | 3934 images |
| Streptanthus bernardinus (Greene) Parish | 2 images |
| Streptanthus heterophyllus Nutt. | 28 images |
| Streptanthus platycarpus A.Gray | 1 images |
| Streptanthus simulans (Payson) Jeps. | 21 images |
| Streptochaeta sodiroana Hack. | 17 images |
| Streptochaeta spicata Schrad. ex Nees | 3 images |
| Stromanthe tonckat (Aubl.) Eichler | 13 images |
| Strombocactus disciformis (DC.) Britton & Rose | 26 images |
| Struchium sparganophorum (L.) Kuntze | 22 images |
| Strumpfia maritima Jacq. | 10 images |
| Struthanthus hartwegii (Benth.) Standl. | 8 images |
| Struthanthus interruptus (Kunth) G.Don | 2 images |
| Struthanthus marginatus (Desr.) G.Don | 1 images |
| Struthanthus orbicularis (Kunth) Eichler | 4 images |
| Struthanthus quercicola (Schltdl. & Cham.) D.Don | 19 images |
| Strychnos gubleri G.Planch. | 4 images |
| Strychnos panamensis Seem. | 22 images |
| Strychnos peckii B.L.Rob. | 5 images |
| Stuckenia pectinata (L.) Börner | 104 images |
| Stuckenia striata (Ruiz & Pav.) Holub | 2 images |
| Stylogyne turbacensis (Kunth) Mez | 4 images |
| Stylosanthes guianensis (Aubl.) Sw. | 73 images |
| Stylosanthes hamata (L.) Taub. | 13 images |
| Stylosanthes humilis Kunth | 54 images |
| Stylosanthes viscosa (L.) Sw. | 42 images |
| Styphnolobium sporadicum M.Sousa & Rudd | 6 images |
| Styrax argenteus C.Presl | 38 images |
| Styrax warscewiczii Perkins | 4 images |
| Suaeda californica S.Watson | 2 images |
| Suaeda linearis (Elliott) Moq. | 3 images |
| Suaeda taxifolia (Standl.) Standl. | 6 images |
| Suberogerens cyclophylla (Standl.) Morillo | 9 images |
| Suriana maritima L. | 160 images |
| Swartzia cubensis (Britton & P.Wilson) Standl. | 4 images |
| Swartzia guatemalensis (Donn.Sm.) Pittier | 98 images |
| Swartzia simplex (Sw.) Spreng. | 16 images |
| Swietenia humilis Zucc. | 14 images |
| Swietenia macrophylla King | 148 images |
| Symphonia globulifera L.f. | 229 images |
| Symphoricarpos longiflorus A.Gray | 22 images |
| Symphoricarpos microphyllus (Humb. & Bonpl. ex Schult.) Kunth | 26 images |
| Symphoricarpos mollis Nutt. | 151 images |
| Symphoricarpos orbiculatus Moench | 3088 images |
| Symphoricarpos rotundifolius A.Gray | 42 images |
| Symphyotrichum drummondii (Lindl.) G.L.Nesom | 1 images |
| Symphyotrichum ericoides (L.) G.L.Nesom | 1512 images |
| Symphyotrichum laeve (L.) Á.Löve & D.Löve | 170 images |
| Symphyotrichum lanceolatum (Willd.) G.L.Nesom | 2884 images |
| Symphyotrichum lateriflorum (L.) Á.Löve & D.Löve | 64 images |
| Symphyotrichum oblongifolium (Nutt.) G.L.Nesom | 44 images |
| Symphyotrichum oolentangiense (Riddell) G.L.Nesom | 215 images |
| Symphyotrichum praealtum (Poir.) G.L.Nesom | 5 images |
| Symphyotrichum subulatum (Michx.) G.L.Nesom | 724 images |
| Symplococarpon purpusii (Brandegee) Kobuski | 11 images |
| Symplocos limoncillo Bonpl. | 10 images |
| Synechanthus fibrosus (H.Wendl.) H.Wendl. | 11 images |
| Synedrella nodiflora (L.) Gaertn. | 525 images |
| Syngonanthus caulescens (Poir.) Ruhland | 1 images |
| Syngonanthus davidsei Huft | 1 images |
| Syngonium angustatum Schott | 526 images |
| Syngonium chiapense Matuda | 19 images |
| Syngonium macrophyllum Engl. | 25 images |
| Syngonium podophyllum Schott | 7223 images |
| Synthlipsis greggii A.Gray | 5 images |
| Syntrichopappus fremontii A.Gray | 9 images |
| Syringodium filiforme Kütz. | 4 images |
| Syzygium jambos (L.) Alston | 1312 images |
| Tabebuia rosea (Bertol.) Bertero ex A.DC. | 1058 images |
| Tabernaemontana alba Mill. | 75 images |
| Tabernaemontana amygdalifolia Jacq. | 34 images |
| Tabernaemontana arborea Rose | 32 images |
| Tabernaemontana citrifolia L. | 15 images |
| Tabernaemontana divaricata (L.) R.Br. ex Roem. & Schult. | 2285 images |
| Tabernaemontana donnell-smithii Rose | 133 images |
| Tabernaemontana glabra (Benth.) A.O.Simões & M.E.Endress | 2 images |
| Tagetes erecta L. | 13372 images |
| Tagetes filifolia Lag. | 63 images |
| Tagetes lemmonii A.Gray | 278 images |
| Tagetes lucida Cav. | 171 images |
| Tagetes lunulata Ortega | 65 images |
| Tagetes micrantha Cav. | 7 images |
| Tagetes minuta L. | 926 images |
| Tagetes subulata Cerv. | 1 images |
| Tagetes tenuifolia Cav. | 1164 images |
| Talinum fruticosum (L.) Juss. | 449 images |
| Talinum paniculatum (Jacq.) Gaertn. | 1750 images |
| Tamarindus indica L. | 1555 images |
| Tamarix aphylla (L.) H.Karst. | 173 images |
| Tamarix chinensis Lour. | 162 images |
| Tamarix gallica L. | 5905 images |
| Tamarix parviflora DC. | 3125 images |
| Tamarix ramosissima Ledeb. | 1543 images |
| Tamonea spicata Aubl. | 3 images |
| Tanacetum coccineum (Willd.) Grierson | 882 images |
| Tanacetum parthenium (L.) Sch.Bip. | 7964 images |
| Tanaecium pyramidatum (Rich.) L.G.Lohmann | 47 images |
| Tanaecium tetragonolobum (Jacq.) L.G.Lohmann | 3 images |
| Tapirira guianensis Aubl. | 138 images |
| Tapirira mexicana Marchand | 64 images |
| Tara vesicaria (L.) Molinari, Sánchez Och. & Mayta | 3 images |
| Tarasa antofagastana (Baker f.) Krapov. | 4 images |
| Tassadia obovata Decne. | 47 images |
| Tauschia arguta (Torr. & A.Gray) J.F.Macbr. | 20 images |
| Taxodium distichum (L.) Rich. | 8241 images |
| Taxus floridana Nutt. ex Chapm. | 3 images |
| Taxus globosa Schltdl. | 2 images |
| Tecoma stans (L.) Juss. ex Kunth | 5385 images |
| Tecomaria capensis (Thunb.) Spach | 3243 images |
| Tectaria incisa Cav. | 35 images |
| Tectaria mexicana (Fée) C.V.Morton | 11 images |
| Tectaria transiens (C.V.Morton) A.R.Sm. | 4 images |
| Tectona grandis L.f. | 572 images |
| Telanthophora grandifolia (Less.) H.Rob. & Brettell | 17 images |
| Telmatoblechnum serrulatum (Rich.) Perrie, D.J.Ohlsen & Brownsey | 320 images |
| Tephrosia adunca Benth. | 1 images |
| Tephrosia cinerea (L.) Pers. | 25 images |
| Tephrosia multifolia Rose | 13 images |
| Tephrosia nitens Benth. | 1 images |
| Tephrosia purpurea (L.) Pers. | 187 images |
| Tephrosia vicioides Schltdl. | 23 images |
| Teramnus uncinatus (L.) Sw. | 39 images |
| Terminalia amazonia (J.F.Gmel.) Exell | 81 images |
| Terminalia buceras (L.) C.Wright | 104 images |
| Terminalia catappa L. | 2669 images |
| Terminalia lucida Hoffmanns. ex Mart. | 20 images |
| Terminalia molinetii M.Gómez | 1 images |
| Terminalia oblonga (Ruiz & Pav.) Steud. | 43 images |
| Ternstroemia tepezapote Schltdl. & Cham. | 44 images |
| Tetracera hydrophila Triana & Planch. | 6 images |
| Tetracera portobellensis Beurl. | 23 images |
| Tetracera volubilis L. | 19 images |
| Tetracoccus dioicus Parry | 24 images |
| Tetragonia tetragonoides (Pall.) Kuntze | 565 images |
| Tetramerium nervosum Nees | 36 images |
| Tetranema roseum (M.Martens & Galeotti) Standl. & Steyerm. | 20 images |
| Tetraneuris linearifolia Greene | 25 images |
| Tetraneuris scaposa (DC.) Greene | 126 images |
| Tetrapogon chlorideus (J.Presl) P.M.Peterson | 1 images |
| Tetrapterys discolor (G.Mey.) DC. | 16 images |
| Tetrapterys schiedeana Schltdl. & Cham. | 41 images |
| Tetrapterys tinifolia Triana & Planch. | 27 images |
| Tetrorchidium rotundatum Standl. | 22 images |
| Teucrium canadense L. | 561 images |
| Teucrium cubense Jacq. | 19 images |
| Teucrium vesicarium Mill. | 19 images |
| Thalassia testudinum Banks & Sol. ex K.D.Koenig | 7 images |
| Thalia geniculata L. | 162 images |
| Thalictrum fendleri Engelm. ex A.Gray | 58 images |
| Thelesperma filifolium (Hook.) A.Gray | 4 images |
| Thelesperma megapotamicum (Spreng.) Herter | 43 images |
| Thelocactus bicolor (Galeotti ex Pfeiff.) Britton & Rose | 23 images |
| Thelocactus buekii (E.Klein bis) Britton & Rose | 1 images |
| Thelocactus conothelos (Regel & E.Klein bis) F.M.Knuth | 6 images |
| Thelocactus hastifer (Werderm. & Boed.) F.M.Knuth | 1 images |
| Thelocactus hexaedrophorus (Lem.) Britton & Rose | 57 images |
| Thelocactus leucacanthus (Zucc. ex Pfeiff.) Britton & Rose | 4 images |
| Thelocactus macdowellii (Rebut ex Quehl) W.T.Marshall | 4 images |
| Thelocactus rinconensis (Poselg.) Britton & Rose | 17 images |
| Thelocactus setispinus (Engelm.) E.F.Anderson | 109 images |
| Thelocactus tulensis (Poselg.) Britton & Rose | 2 images |
| Thelypteris angustifolia (Willd.) Proctor | 6 images |
| Thelypteris balbisii (Spreng.) Ching | 10 images |
| Thelypteris biolleyi (Christ) Proctor | 7 images |
| Thelypteris cheilanthoides (Kunze) Proctor | 2 images |
| Thelypteris dentata (Forssk.) E.P.St.John | 181 images |
| Thelypteris falcata (Liebm.) R.M.Tryon | 9 images |
| Thelypteris ghiesbreghtii (Hook.) C.V.Morton | 11 images |
| Thelypteris grandis A.R.Sm. | 7 images |
| Thelypteris hispidula (Decne.) C.F.Reed | 17 images |
| Thelypteris kunthii (Desv.) C.V.Morton | 8 images |
| Thelypteris nicaraguensis (E.Fourn.) C.V.Morton | 16 images |
| Thelypteris palustris Schott | 320 images |
| Thelypteris poiteana (Bory) Proctor | 16 images |
| Thelypteris resinifera (Desv.) Proctor | 5 images |
| Thelypteris reticulata (L.) Proctor | 21 images |
| Thelypteris serrata (Cav.) Alston | 16 images |
| Themeda quadrivalvis (L.) Kuntze | 4 images |
| Theobroma angustifolium DC. | 46 images |
| Theobroma bicolor Bonpl. | 8 images |
| Theobroma cacao L. | 1246 images |
| Thespesia populnea (L.) Sol. ex Corrêa | 1147 images |
| Thevetia ahouai (L.) Vahl | 143 images |
| Thinopyrum elongatum (Host) D.R.Dewey | 21 images |
| Thinopyrum intermedium (Host) Barkworth & D.R.Dewey | 19 images |
| Thompsonella garcia-mendozae P.Carrillo & Pérez-Calix | 3 images |
| Thompsonella mixtecana J.Reyes & L.G.López | 3 images |
| Thompsonella platyphylla Rose | 1 images |
| Thompsonella spathulata Kimnach | 2 images |
| Thouinia serrata Radlk. | 23 images |
| Thouinidium decandrum (Bonpl.) Radlk. | 7 images |
| Thrinax radiata Lodd. ex Schult. & Schult.f. | 130 images |
| Thunbergia alata Bojer ex Sims | 3736 images |
| Thunbergia erecta (Benth.) T.Anderson | 1419 images |
| Thunbergia fragrans Roxb. | 244 images |
| Thunbergia laurifolia Lindl. | 54 images |
| Thymophylla acerosa (DC.) Strother | 13 images |
| Thymophylla concinna (A.Gray) Strother | 1 images |
| Thymophylla micropoides (DC.) Strother | 1 images |
| Thymophylla pentachaeta (DC.) Small | 91 images |
| Thymophylla setifolia Lag. | 7 images |
| Thymophylla tenuiloba (DC.) Small | 58 images |
| Thysanocarpus curvipes Hook. | 70 images |
| Thysanocarpus laciniatus Nutt. | 27 images |
| Ticodendron incognitum Gómez-Laur. & L.D.Gómez | 31 images |
| Tidestromia lanuginosa (Nutt.) Standl. | 25 images |
| Tidestromia suffruticosa (Torr.) Standl. | 10 images |
| Tigridia pavonia (L.f.) Redouté | 2 images |
| Tilia americana L. | 4434 images |
| Tillandsia albida Mez & Purpus | 19 images |
| Tillandsia argentea Griseb. | 33 images |
| Tillandsia atroviridipetala Matuda | 2 images |
| Tillandsia baileyi Rose ex Small | 9 images |
| Tillandsia balbisiana Schult. & Schult.f. | 4 images |
| Tillandsia bartramii Elliott | 32 images |
| Tillandsia boqueronensis Ehlers | 2 images |
| Tillandsia borealis López-Ferr. & Espejo | 3 images |
| Tillandsia brachycaulos Schltdl. | 21 images |
| Tillandsia bulbosa Hook. | 110 images |
| Tillandsia butzii Mez | 28 images |
| Tillandsia callichroma L.Hrom. | 2 images |
| Tillandsia capistranoensis Ehlers & W.Weber | 2 images |
| Tillandsia capitata Griseb. | 2 images |
| Tillandsia caput-medusae É.Morren | 107 images |
| Tillandsia carlsoniae L.B.Sm. | 3 images |
| Tillandsia chiapensis C.S.Gardner | 8 images |
| Tillandsia circinnatioides Matuda | 2 images |
| Tillandsia concolor L.B.Sm. | 10 images |
| Tillandsia cretacea L.B.Sm. | 1 images |
| Tillandsia deppeana Steud. | 1 images |
| Tillandsia diguetii Mez & Rol.-Goss. | 1 images |
| Tillandsia eizii L.B.Sm. | 3 images |
| Tillandsia elizabethae Rauh | 5 images |
| Tillandsia elongata Kunth | 3 images |
| Tillandsia erubescens Schltdl. | 2 images |
| Tillandsia fasciculata Sw. | 237 images |
| Tillandsia festucoides Brongn. ex Mez | 23 images |
| Tillandsia filifolia Schltdl. & Cham. | 9 images |
| Tillandsia flabellata Baker | 6 images |
| Tillandsia flexuosa Sw. | 18 images |
| Tillandsia fuchsii W.Till | 1 images |
| Tillandsia guatemalensis L.B.Sm. | 1281 images |
| Tillandsia gymnobotrya Baker | 2 images |
| Tillandsia heliconioides Kunth | 38 images |
| Tillandsia imperialis É.Morren ex Roezl | 3 images |
| Tillandsia intermedia Mez | 2 images |
| Tillandsia ionantha Planch. | 809 images |
| Tillandsia juncea (Ruiz & Pav.) Poir. | 97 images |
| Tillandsia karwinskyana Schult. & Schult.f. | 2 images |
| Tillandsia kirchhoffiana Wittm. | 2 images |
| Tillandsia kolbii W.Till & Schatzl | 1 images |
| Tillandsia leiboldiana Schltdl. | 48 images |
| Tillandsia magnusiana Wittm. | 5 images |
| Tillandsia matudae L.B.Sm. | 1 images |
| Tillandsia mauryana L.B.Sm. | 2 images |
| Tillandsia mitlaensis W.Weber & Ehlers | 6 images |
| Tillandsia mooreana L.B.Sm. | 2 images |
| Tillandsia multicaulis Steud. | 3 images |
| Tillandsia nizandaensis Ehlers | 4 images |
| Tillandsia oaxacana L.B.Sm. | 2 images |
| Tillandsia paucifolia Baker | 147 images |
| Tillandsia polystachia (L.) L. | 8 images |
| Tillandsia ponderosa L.B.Sm. | 2 images |
| Tillandsia prodigiosa (Lem.) Baker | 1 images |
| Tillandsia pruinosa Sw. | 13 images |
| Tillandsia pseudobaileyi C.S.Gardner | 6 images |
| Tillandsia pseudooaxacana Ehlers | 3 images |
| Tillandsia pueblensis L.B.Sm. | 5 images |
| Tillandsia punctulata Schltdl. & Cham. | 35 images |
| Tillandsia recurvata (L.) L. | 479 images |
| Tillandsia remota Wittm. | 1 images |
| Tillandsia rhodocephala Ehlers & Koide | 2 images |
| Tillandsia rodrigueziana Mez | 1 images |
| Tillandsia roseoscapa Matuda | 4 images |
| Tillandsia rotundata (L.B.Sm.) C.S.Gardner | 3 images |
| Tillandsia schiedeana Steud. | 35 images |
| Tillandsia seleriana Mez | 3 images |
| Tillandsia setacea Sw. | 5 images |
| Tillandsia sierrahalensis Espejo & López-Ferr. | 3 images |
| Tillandsia trauneri L.Hrom. | 2 images |
| Tillandsia tricolor Schltdl. & Cham. | 2 images |
| Tillandsia usneoides (L.) L. | 839 images |
| Tillandsia utriculata L. | 153 images |
| Tillandsia variabilis Schltdl. | 5 images |
| Tillandsia violacea Baker | 3 images |
| Tillandsia xerographica Rohweder | 92 images |
| Tinantia anomala (Torr.) C.B.Clarke | 3 images |
| Tinantia erecta (Jacq.) Fenzl | 57 images |
| Tinantia leiocalyx C.B.Clarke | 3 images |
| Tinantia longipedunculata Standl. & Steyerm. | 2 images |
| Tinantia pringlei (S.Watson) Rohweder | 15 images |
| Tiquilia mexicana (S.Watson) A.T.Richardson | 8 images |
| Tiquilia palmeri (A.Gray) A.T.Richardson | 36 images |
| Tiquilia plicata (Torr.) A.T.Richardson | 34 images |
| Tithonia diversifolia (Hemsl.) A.Gray | 1421 images |
| Tithonia rotundifolia (Mill.) S.F.Blake | 1100 images |
| Tithonia thurberi A.Gray | 2 images |
| Tithonia tubaeformis (Jacq.) Cass. | 51 images |
| Tomostima cuneifolia (Nutt.) Al-Shehbaz, M.Koch & Jordon-Thaden | 1 images |
| Tontelea hondurensis A.C.Sm. | 9 images |
| Torenia crustacea (L.) Cham. & Schltdl. | 143 images |
| Torilis arvensis (Huds.) Link | 4610 images |
| Tournefortia gnaphalodes (L.) R.Br. ex Roem. & Schult. | 67 images |
| Tournefortiopsis crispiflora (Vahl) Borhidi | 65 images |
| Tourrettia lappacea (L'Hér.) Willd. | 3 images |
| Tovaria pendula Ruiz & Pav. | 13 images |
| Townsendia exscapa (Richardson) Porter | 11 images |
| Toxicodendron diversilobum (Torr. & A.Gray) Greene | 1330 images |
| Toxicodendron radicans (L.) Kuntze | 4851 images |
| Toxicodendron rydbergii (Small ex Rydb.) Greene | 121 images |
| Toxicodendron striatum (Ruiz & Pav.) Kuntze | 15 images |
| Toxicoscordion brevibracteatum (M.E.Jones) R.R.Gates | 1 images |
| Toxicoscordion fremontii (Torr.) Rydb. | 52 images |
| Toxicoscordion paniculatum (Nutt.) Rydb. | 21 images |
| Toxicoscordion venenosum (S.Watson) Rydb. | 40 images |
| Toxosiphon lindenii (Baill.) Baill. | 61 images |
| Trachypogon spicatus (L.f.) Kuntze | 10 images |
| Tradescantia brevifolia (Torr.) Rose | 17 images |
| Tradescantia buckleyi (I.M.Johnst.) D.R.Hunt | 1 images |
| Tradescantia crassifolia Cav. | 24 images |
| Tradescantia occidentalis (Britton) Smyth | 100 images |
| Tradescantia pallida (Rose) D.R.Hunt | 9201 images |
| Tradescantia pinetorum Greene | 5 images |
| Tradescantia poelliae D.R.Hunt | 10 images |
| Tradescantia schippii D.R.Hunt | 11 images |
| Tradescantia sillamontana Matuda | 1818 images |
| Tradescantia spathacea Sw. | 4616 images |
| Tradescantia zanonia (L.) Sw. | 82 images |
| Tradescantia zebrina Bosse | 7768 images |
| Tragia ramosa Torr. | 38 images |
| Tragia volubilis L. | 3 images |
| Tragopogon porrifolius L. | 4875 images |
| Tragus berteronianus Schult. | 75 images |
| Trema micranthum (L.) Blume | 158 images |
| Trianthema portulacastrum L. | 273 images |
| Tribulus cistoides L. | 199 images |
| Tribulus terrestris L. | 2114 images |
| Trichilia americana (Sessé & Moc.) T.D.Penn. | 51 images |
| Trichilia glabra L. | 14 images |
| Trichilia havanensis Jacq. | 73 images |
| Trichilia hirta L. | 15 images |
| Trichilia martiana C.DC. | 119 images |
| Trichilia pallida Sw. | 75 images |
| Trichilia trifolia L. | 38 images |
| Trichocentrum ascendens (Lindl.) M.W.Chase & N.H.Williams | 6 images |
| Trichocentrum brachyphyllum (Lindl.) R.Jiménez | 4 images |
| Trichocentrum carthagenense (Jacq.) M.W.Chase & N.H.Williams | 8 images |
| Trichocentrum cavendishianum (Bateman) M.W.Chase & N.H.Williams | 1 images |
| Trichocentrum microchilum (Bateman ex Lindl.) M.W.Chase & N.H.Williams | 4 images |
| Trichocentrum perezii Beutelsp. | 2 images |
| Trichomanes angustifrons (Fée) Wess.Boer | 3 images |
| Trichomanes capillaceum L. | 7 images |
| Trichomanes collariatum Bosch | 15 images |
| Trichomanes crispum L. | 19 images |
| Trichomanes curtii Rosenst. | 7 images |
| Trichomanes diaphanum Kunth | 23 images |
| Trichomanes diversifrons (Bory) Mett. | 4 images |
| Trichomanes ekmanii Wess.Boer | 4 images |
| Trichomanes godmanii Hook. ex Baker | 11 images |
| Trichomanes krausii Hook. & Grev. | 12 images |
| Trichomanes membranaceum L. | 10 images |
| Trichomanes pinnatum Hedw. | 12 images |
| Trichomanes polypodioides L. | 9 images |
| Trichomanes radicans Sw. | 7 images |
| Trichomanes rigidum Sw. | 7 images |
| Trichomanes tuerckheimii Christ | 4 images |
| Trichopilia tortilis Lindl. | 2 images |
| Trichosalpinx blaisdellii (S.Watson) Luer | 18 images |
| Trichosalpinx dura (Lindl.) Luer | 6 images |
| Trichospermum lessertianum (Hochr.) Dorr | 7 images |
| Trichospermum mexicanum (DC.) Baill. | 60 images |
| Trichospira verticillata S.F.Blake | 12 images |
| Trichostema lanatum Benth. | 125 images |
| Trichostema lanceolatum Benth. | 120 images |
| Trichostema parishii Vasey | 31 images |
| Trichostigma octandrum (L.) H.Walter | 88 images |
| Tridax procumbens L. | 507 images |
| Tridens albescens (Vasey) Wooton & Standl. | 5 images |
| Tridens flavus (L.) Hitchc. | 62 images |
| Tridentopsis mutica (Torr.) P.M.Peterson | 3 images |
| Trifolium amabile Kunth | 10 images |
| Trifolium depauperatum Desv. | 44 images |
| Trifolium microcephalum Pursh | 5 images |
| Trifolium pratense L. | 17682 images |
| Trifolium repens L. | 12160 images |
| Trifolium willdenovii Spreng. | 59 images |
| Trifolium wormskioldii Lehm. | 53 images |
| Triglochin maritima L. | 360 images |
| Trigonia rugosa Benth. | 61 images |
| Trimezia martinicensis (Jacq.) Herb. | 648 images |
| Trimezia steyermarkii R.C.Foster | 31 images |
| Trimezia variegata (M.Martens & Galeotti) Ravenna | 5 images |
| Triodanis perfoliata (L.) Nieuwl. | 578 images |
| Triphora debilis (Schltr.) Schltr. | 2 images |
| Triphora trianthophoros (Sw.) Rydb. | 9 images |
| Triplaris americana L. | 151 images |
| Triplaris melaenodendron (Bertol.) Standl. & Steyerm. | 14 images |
| Triplasis purpurea (Walter) Chapm. | 3 images |
| Tripsacum dactyloides (L.) L. | 77 images |
| Tristicha trifaria (Bory ex Willd.) Spreng. | 1 images |
| Triteleiopsis palmeri (S.Watson) Hoover | 1 images |
| Triticum aestivum L. | 21361 images |
| Triumfetta bogotensis DC. | 4 images |
| Triumfetta grandiflora Vahl | 2 images |
| Triumfetta lappula L. | 11 images |
| Triumfetta semitriloba Jacq. | 60 images |
| Triumfetta speciosa Seem. | 1 images |
| Trixis californica Kellogg | 40 images |
| Trixis inula Crantz | 24 images |
| Tropaeolum emarginatum Turcz. | 9 images |
| Tropaeolum majus L. | 9966 images |
| Trophis mexicana (Liebm.) Bureau | 14 images |
| Trophis racemosa (L.) Urb. | 70 images |
| Tropidocarpum gracile Hook. | 24 images |
| Tulbaghia violacea Harv. | 2266 images |
| Turbinicarpus × mombergeri Říha | 5 images |
| Turbinicarpus × pulcherrimus Halda & Panar. | 2 images |
| Turbinicarpus × roseiflorus Backeb. | 1 images |
| Turbinicarpus alonsoi Glass & S.Arias | 5 images |
| Turbinicarpus graminispinus Matusz., Myšák & Jiruše | 2 images |
| Turbinicarpus hoferi Lüthy & A.B.Lau | 1 images |
| Turbinicarpus laui Glass & R.A.Foster | 5 images |
| Turbinicarpus lophophoroides (Werderm.) Buxb. & Backeb. | 15 images |
| Turbinicarpus pseudopectinatus (Backeb.) Glass & R.A.Foster | 4 images |
| Turbinicarpus saueri (Boed.) V.John & Říha | 7 images |
| Turbinicarpus schmiedickeanus (Boed.) Buxb. & Backeb. | 66 images |
| Turbinicarpus swobodae Diers | 1 images |
| Turbinicarpus valdezianus (H.Moeller) Glass & R.A.Foster | 13 images |
| Turbinicarpus viereckii (Werderm.) V.John & Říha | 5 images |
| Turnera diffusa Willd. ex Schult. | 70 images |
| Turnera odorata Rich. | 3 images |
| Turnera pumilea L. | 11 images |
| Turnera scabra Millsp. | 13 images |
| Turnera ulmifolia L. | 1612 images |
| Turpinia occidentalis (Sw.) G.Don | 68 images |
| Typha angustifolia L. | 1002 images |
| Typha domingensis Pers. | 206 images |
| Typha latifolia L. | 3365 images |
| Ugni myricoides (Kunth) O.Berg | 5 images |
| Ulmus americana L. | 4403 images |
| Ulmus crassifolia Nutt. | 198 images |
| Ulmus mexicana (Liebm.) Planch. | 24 images |
| Ulmus pumila L. | 2924 images |
| Ulmus serotina Sarg. | 29 images |
| Umbellularia californica (Hook. & Arn.) Nutt. | 263 images |
| Ungnadia speciosa Endl. | 116 images |
| Uniola paniculata L. | 83 images |
| Uniola pittieri Hack. | 17 images |
| Unonopsis pittieri Saff. | 35 images |
| Urceolina amazonica (Linden ex Planch.) Christenh. & Byng | 605 images |
| Urena lobata L. | 921 images |
| Urera baccifera (L.) Gaudich. ex Wedd. | 211 images |
| Urera caracasana (Jacq.) Gaudich. ex Griseb. | 68 images |
| Urera lianoides A.K.Monro & Al.Rodr. | 48 images |
| Urera simplex Wedd. | 74 images |
| Urochloa brizantha (A.Rich.) R.D.Webster | 4 images |
| Urochloa eminii (Mez) Davidse | 6 images |
| Urochloa fusca (Sw.) B.F.Hansen & Wunderlin | 16 images |
| Urochloa mollis (Sw.) Morrone & Zuloaga | 5 images |
| Urochloa mutica (Forssk.) T.Q.Nguyen | 10 images |
| Urochloa plantaginea (Link) R.D.Webster | 1 images |
| Urochloa polystachya (Kunth) Mabb. | 8 images |
| Urochloa reptans (L.) Stapf | 4 images |
| Urochloa subquadripara (Trin.) R.D.Webster | 4 images |
| Urtica chamaedryoides Pursh | 42 images |
| Urtica gracilenta Greene | 10 images |
| Urtica gracilis Aiton | 1 images |
| Urtica urens L. | 4203 images |
| Urvillea ulmacea Kunth | 25 images |
| Utricularia amethystina Salzm. ex A.St.-Hil. & Girard | 3 images |
| Utricularia foliosa L. | 33 images |
| Utricularia gibba L. | 46 images |
| Utricularia jamesoniana Oliv. | 6 images |
| Utricularia juncea Vahl | 4 images |
| Utricularia livida E.Mey. | 7 images |
| Utricularia purpurea Walter | 12 images |
| Utricularia radiata Small | 12 images |
| Utricularia simulans Pilg. | 1 images |
| Utricularia subulata L. | 33 images |
| Vaccinium cespitosum Michx. | 3 images |
| Vaccinium consanguineum Klotzsch | 16 images |
| Vaccinium geminiflorum Kunth | 4 images |
| Vaccinium stamineum L. | 166 images |
| Vachellia campeachiana (Mill.) Seigler & Ebinger | 2 images |
| Vachellia collinsii (Saff.) Seigler & Ebinger | 84 images |
| Vachellia constricta (Benth.) Seigler & Ebinger | 3 images |
| Vachellia cornigera (L.) Seigler & Ebinger | 99 images |
| Vachellia farnesiana (L.) Wight & Arn. | 1446 images |
| Vachellia guanacastensis (H.D.Clarke, Seigler & Ebinger) Seigler & Ebinger | 2 images |
| Vachellia macracantha (Humb. & Bonpl. ex Willd.) Seigler & Ebinger | 21 images |
| Vachellia nilotica (L.) P.J.H.Hurter & Mabb. | 425 images |
| Vachellia pennatula (Schltdl. & Cham.) Seigler & Ebinger | 7 images |
| Vachellia rigidula (Benth.) Seigler & Ebinger | 31 images |
| Vachellia sphaerocephala (Cham. & Schltdl.) Seigler & Ebinger | 6 images |
| Valeriana ciliosa (Greene) Byng & Christenh. | 29 images |
| Valeriana galeottiana M.Martens | 1 images |
| Valeriana palmeri A.Gray | 14 images |
| Valeriana scandens L. | 1 images |
| Vallesia glabra (Cav.) Link | 15 images |
| Vallisneria americana Michx. | 8 images |
| Vandellia diffusa L. | 18 images |
| Vanilla hartii Rolfe | 3 images |
| Vanilla inodora Schiede | 3 images |
| Vanilla odorata C.Presl | 40 images |
| Vanilla planifolia Andrews | 317 images |
| Vanilla pompona Schiede | 87 images |
| Varronia bullata L. | 16 images |
| Varronia curassavica Jacq. | 226 images |
| Varronia guanacastensis (Standl.) J.S.Mill. | 15 images |
| Varronia inermis (Mill.) Borhidi | 14 images |
| Varronia linnaei (Stearn) J.S.Mill. | 30 images |
| Varronia macrocephala Desv. | 7 images |
| Varronia polycephala Lam. | 12 images |
| Varronia spinescens (L.) Borhidi | 25 images |
| Vasconcellea cauliflora (Jacq.) A.DC. | 25 images |
| Venegasia carpesioides DC. | 55 images |
| Veratrum californicum Durand | 146 images |
| Verbascum blattaria L. | 3246 images |
| Verbascum virgatum Stokes | 1430 images |
| Verbena bipinnatifida Schauer | 400 images |
| Verbena bracteata Cav. ex Lag. & Rodr. | 40 images |
| Verbena brasiliensis Vell. | 722 images |
| Verbena canescens Kunth | 18 images |
| Verbena cloverae Moldenke | 3 images |
| Verbena gooddingii Briq. | 49 images |
| Verbena halei Small | 180 images |
| Verbena lasiostachys Link | 137 images |
| Verbena litoralis Kunth | 103 images |
| Verbena macdougalii A.Heller | 18 images |
| Verbena menthifolia Benth. | 12 images |
| Verbena officinalis L. | 7286 images |
| Verbena perennis Wooton | 2 images |
| Verbena polyantha (Umber) Moldenke | 2 images |
| Verbena pumila Rydb. | 33 images |
| Verbena simplex Lehm. | 72 images |
| Verbena tenera Spreng. | 296 images |
| Verbena xutha Lehm. | 4 images |
| Verbesina crocata (Cav.) Less. | 8 images |
| Verbesina encelioides (Cav.) Benth. & Hook.f. ex A.Gray | 479 images |
| Verbesina fastigiata B.L.Rob. & Greenm. | 3 images |
| Verbesina gigantea Jacq. | 31 images |
| Verbesina microptera DC. | 42 images |
| Verbesina myriocephala Sch.Bip. ex Klatt | 28 images |
| Verbesina pallens Benth. | 19 images |
| Verbesina turbacensis Kunth | 20 images |
| Vernonanthura patens (Kunth) H.Rob. | 7 images |
| Vernonia lindheimeri A.Gray & Engelm. | 2 images |
| Vernonia marginata (Torr.) Raf. | 10 images |
| Veronica peregrina L. | 332 images |
| Veronica persica Poir. | 14382 images |
| Veronica serpyllifolia L. | 3530 images |
| Vesalea floribunda M.Martens & Galeotti | 12 images |
| Vesalea grandifolia (Villarreal) Hua Feng Wang & Landrein | 606 images |
| Viburnum lautum C.V.Morton | 2 images |
| Viburnum rufidulum Raf. | 238 images |
| Viburnum tiliifolium (Oerst.) Hemsl. | 9 images |
| Viburnum tinus L. | 22077 images |
| Vicia americana Muhl. ex Willd. | 75 images |
| Vicia faba L. | 5433 images |
| Vicia hirsuta (L.) Gray | 2117 images |
| Vicia ludoviciana Nutt. | 28 images |
| Vicia sativa L. | 13922 images |
| Vigna angularis (Willd.) Ohwi & H.Ohashi | 5 images |
| Vigna lasiocarpa (Mart. ex Benth.) Verdc. | 6 images |
| Vigna longifolia (Benth.) Verdc. | 1 images |
| Vigna luteola (Jacq.) Benth. | 216 images |
| Vigna mungo (L.) Hepper | 5 images |
| Vigna umbellata (Thunb.) Ohwi & H.Ohashi | 11 images |
| Vigna unguiculata (L.) Walp. | 273 images |
| Vigna vexillata (L.) A.Rich. | 108 images |
| Viguiera dentata (Cav.) Spreng. | 108 images |
| Villadia squamulosa (S.Watson) Rose | 16 images |
| Vinca major L. | 16315 images |
| Viola adunca Sm. | 189 images |
| Viola cucullata Aiton | 38 images |
| Viola douglasii Steud. | 30 images |
| Viola guatemalensis W.Becker | 2 images |
| Viola lobata Benth. | 32 images |
| Viola nephrophylla Greene | 1 images |
| Viola odorata L. | 14714 images |
| Viola palmata L. | 19 images |
| Viola pedunculata Torr. & A.Gray | 4 images |
| Viola purpurea Kellogg | 113 images |
| Viola scandens Humb. & Bonpl. ex Schult. | 1 images |
| Viola sororia Willd. | 1677 images |
| Viola umbraticola Kunth | 1 images |
| Virola guatemalensis (Hemsl.) Warb. | 10 images |
| Virola koschnyi Warb. | 74 images |
| Vismia baccifera (L.) Triana & Planch. | 71 images |
| Vismia billbergiana Beurl. | 24 images |
| Vismia camparaguey Sprague & L.Riley | 3 images |
| Visnaga daucoides Gaertn. | 1411 images |
| Vitex agnus-castus L. | 6128 images |
| Vitex trifolia L. | 601 images |
| Vitis arizonica Engelm. | 17 images |
| Vitis cinerea (Engelm.) Millardet | 2 images |
| Vitis mustangensis Buckley | 198 images |
| Vitis riparia Michx. | 743 images |
| Vitis rotundifolia Michx. | 1500 images |
| Vitis tiliifolia Humb. & Bonpl. ex Schult. | 74 images |
| Vittaria graminifolia Kaulf. | 10 images |
| Vittaria lineata (L.) Sm. | 21 images |
| Vochysia guatemalensis Donn.Sm. | 56 images |
| Volkameria aculeata L. | 37 images |
| Volkameria ligustrina Jacq. | 12 images |
| Voyria aphylla (Jacq.) Pers. | 183 images |
| Voyria flavescens Griseb. | 6 images |
| Voyria tenella Guilding ex Hook. | 12 images |
| Waltheria glomerata C.Presl | 31 images |
| Waltheria indica L. | 419 images |
| Waltheria viscosissima A.St.-Hil. | 1 images |
| Warrea costaricensis Schltr. | 15 images |
| Warszewiczia uxpanapensis (Lorence) C.M.Taylor | 4 images |
| Washingtonia filifera (Rafarin) H.Wendl. ex de Bary | 71 images |
| Washingtonia robusta H.Wendl. | 2846 images |
| Wedelia acapulcensis Kunth | 20 images |
| Weinmannia balbisiana Kunth | 8 images |
| Weinmannia pinnata L. | 16 images |
| Weldenia candida Schult.f. | 4 images |
| Werauhia gladioliflora (H.Wendl.) J.R.Grant | 29 images |
| Werauhia hygrometrica (André) J.R.Grant | 11 images |
| Werauhia viridiflora (Regel) J.R.Grant | 1 images |
| Werauhia werckleana (Mez) J.R.Grant | 13 images |
| Werneria nubigena Kunth | 27 images |
| Wigandia urens (Ruiz & Pav.) Kunth | 411 images |
| Wimmeria sternii Lundell | 3 images |
| Wissadula amplissima (L.) R.E.Fr. | 3 images |
| Wissadula excelsior (Cav.) C.Presl | 17 images |
| Wissadula periplocifolia (L.) Thwaites | 5 images |
| Witheringia coccoloboides (Dammer) Hunz. | 17 images |
| Witheringia meiantha (Donn.Sm.) Hunz. | 32 images |
| Witheringia solanacea L'Hér. | 47 images |
| Wolffia brasiliensis Wedd. | 270 images |
| Wolffia columbiana H.Karst. | 1 images |
| Wolffiella gladiata (Hegelm.) Hegelm. | 1 images |
| Woodwardia fimbriata Sm. | 192 images |
| Woodwardia spinulosa M.Martens & Galeotti | 1 images |
| Wullschlaegelia aphylla (Sw.) Rchb.f. | 1 images |
| Xanthisma gracile (Nutt.) D.R.Morgan & R.L.Hartm. | 25 images |
| Xanthium chinense Mill. | 1 images |
| Xanthium orientale L. | 455 images |
| Xanthium spinosum L. | 966 images |
| Xanthocephalum gymnospermoides (A.Gray) Benth. & Hook.f. | 3 images |
| Xanthosoma mexicanum Liebm. | 29 images |
| Xanthosoma robustum Schott | 3 images |
| Xanthosoma sagittifolium (L.) Schott | 1089 images |
| Xanthosoma undipes (K.Koch & C.D.Bouché) K.Koch | 43 images |
| Xanthosoma wendlandii (Schott) Standl. | 7 images |
| Xerochrysum bracteatum (Vent.) Tzvelev | 1417 images |
| Xestaea lisianthoides Griseb. | 3 images |
| Ximenia americana L. | 211 images |
| Xiphidium caeruleum Aubl. | 289 images |
| Xylobium foveatum (Lindl.) G.Nicholson | 12 images |
| Xylococcus bicolor Nutt. | 59 images |
| Xylophragma seemannianum (Kuntze) Sandwith | 2 images |
| Xylopia frutescens Aubl. | 31 images |
| Xylorhiza orcuttii Greene | 16 images |
| Xylosma chlorantha Donn.Sm. | 18 images |
| Xylosma flexuosa (Kunth) Hemsl. | 20 images |
| Xylosma horrida Rose | 21 images |
| Xylosma intermedia (Seem.) Triana & Planch. | 1 images |
| Xylosma oligandra Donn.Sm. | 30 images |
| Xyris jupicai Rich. | 346 images |
| Xyris laxifolia Mart. | 11 images |
| Yabea microcarpa (Hook. & Arn.) Koso-Pol. | 6 images |
| Youngia japonica (L.) DC. | 1164 images |
| Yucca aloifolia L. | 3729 images |
| Yucca baccata Torr. | 128 images |
| Yucca brevifolia Engelm. | 531 images |
| Yucca carnerosana (Trel.) McKelvey | 15 images |
| Yucca constricta Buckley | 26 images |
| Yucca decipiens Trel. | 2 images |
| Yucca desmetiana Baker | 15 images |
| Yucca elata (Engelm.) Engelm. | 121 images |
| Yucca endlichiana Trel. | 1 images |
| Yucca faxoniana (Trel.) Sarg. | 12 images |
| Yucca filifera Chabaud | 35 images |
| Yucca gigantea Lem. | 730 images |
| Yucca lacandonica Gómez Pompa & J.Valdés | 1 images |
| Yucca linearifolia Clary | 8 images |
| Yucca madrensis Gentry | 21 images |
| Yucca mixtecana García-Mend. | 5 images |
| Yucca queretaroensis Piña Luján | 9 images |
| Yucca reverchonii Trel. | 1 images |
| Yucca rostrata Engelm. ex Trel. | 491 images |
| Yucca rupicola Scheele | 70 images |
| Yucca schidigera Roezl ex Ortgies | 273 images |
| Yucca thompsoniana Trel. | 37 images |
| Zamia fischeri Miq. ex Lem. | 6 images |
| Zamia furfuracea L.f. ex Aiton | 609 images |
| Zamia lacandona Schutzman & Vovides | 24 images |
| Zamia loddigesii Miq. | 3 images |
| Zamia purpurea Vovides, J.D.Rees & Vázq.Torres | 1 images |
| Zamia vazquezii D.W.Stev., Sabato & De Luca | 7 images |
| Zannichellia palustris L. | 59 images |
| Zantedeschia aethiopica (L.) Spreng. | 8193 images |
| Zanthoxylum acuminatum (Sw.) Sw. | 24 images |
| Zanthoxylum americanum Mill. | 218 images |
| Zanthoxylum caribaeum Lam. | 65 images |
| Zanthoxylum clava-herculis L. | 150 images |
| Zanthoxylum ekmanii (Urb.) Alain | 45 images |
| Zanthoxylum fagara (L.) Sarg. | 179 images |
| Zanthoxylum limoncello Planch. & Oerst. | 19 images |
| Zanthoxylum panamense P.Wilson | 21 images |
| Zanthoxylum rhoifolium Lam. | 86 images |
| Zanthoxylum riedelianum Engl. | 30 images |
| Zanthoxylum schreberi (J.F.Gmel.) Reynel ex C.Nelson | 29 images |
| Zapoteca formosa (Kunth) H.M.Hern. | 37 images |
| Zapoteca portoricensis (Jacq.) H.M.Hern. | 7 images |
| Zapoteca tetragona (Willd.) H.M.Hern. | 24 images |
| Zea mays L. | 23903 images |
| Zea mexicana (Schrad.) Kuntze | 2 images |
| Zeltnera venusta (A.Gray) G.Mans. | 5 images |
| Zephyranthes carinata Herb. | 182 images |
| Zephyranthes chlorosolen (Herb.) D.Dietr. | 1 images |
| Zephyranthes citrina Baker | 116 images |
| Zephyranthes drummondii D.Don | 4 images |
| Zephyranthes fosteri Traub | 9 images |
| Zephyranthes lindleyana Herb. | 5 images |
| Zephyranthes minuta (Kunth) D.Dietr. | 11 images |
| Zephyranthes primulina T.M.Howard & S.Ogden | 6 images |
| Zephyranthes sprekeliopsis (Christenh. & Byng) Nic.García & Meerow | 1 images |
| Zephyranthes tubispatha (L'Hér.) Herb. | 11 images |
| Zexmenia virgulta Klatt | 20 images |
| Zingiber officinale Roscoe | 661 images |
| Zinnia acerosa (DC.) A.Gray | 23 images |
| Zinnia angustifolia Kunth | 1128 images |
| Zinnia anomala A.Gray | 14 images |
| Zinnia elegans Jacq. | 4386 images |
| Zinnia grandiflora Nutt. | 29 images |
| Zinnia haageana Regel | 1592 images |
| Zinnia peruviana (L.) L. | 2585 images |
| Zinowiewia integerrima (Turcz.) Turcz. | 16 images |
| Zornia latifolia Sm. | 13 images |
| Zornia reticulata Sm. | 73 images |
| Zostera marina L. | 128 images |
| Zoysia matrella (L.) Merr. | 37 images |
| Zuloagaea bulbosa (Kunth) Bess | 1 images |
| Zygia inaequalis (Humb. & Bonpl. ex Willd.) Pittier | 2 images |
| Zygia latifolia (L.) Fawc. & Rendle | 18 images |
| Zygia longifolia (Humb. & Bonpl. ex Willd.) Britton & Rose | 113 images |
| Zygia unifoliolata (Benth.) Pittier | 2 images |
| Zygophyllum laeve (Standl.) Christenh. & Byng | 46 images |
| Zygophyllum pachyacanthum (Rydb.) Christenh. & Byng | 20 images |