Abies amabilis Douglas ex J.ForbesLCLeast ConcernCommon nameCascade FirGenusAbiesFamilyPinaceae18 5 observations
Abies lasiocarpa (Hook.) Nutt.LCLeast ConcernCommon nameAlpine firGenusAbiesFamilyPinaceae186 141 observations
Acer circinatum PurshLCLeast ConcernCommon nameVine mapleGenusAcerFamilySapindaceae443 354 observations
Acer glabrum Torr.LCLeast ConcernCommon nameRocky Mountain mapleGenusAcerFamilySapindaceae166 143 observations
Acer macrophyllum PurshLCLeast ConcernCommon nameBigleaf mapleGenusAcerFamilySapindaceae1,207 1,004 observations
Acer negundo L.LCLeast ConcernCommon nameBoxelderGenusAcerFamilySapindaceae18,265 13,688 observations
Achillea millefolium L.LCLeast ConcernCommon nameCommon yarrowGenusAchilleaFamilyAsteraceae26,248 21,792 observations
Achillea ptarmica L.LCLeast ConcernCommon nameSneezewortGenusAchilleaFamilyAsteraceae3,988 3,090 observations
Actaea rubra (Aiton) Willd.Common nameRed baneberryGenusActaeaFamilyRanunculaceae801 655 observations
Adiantum aleuticum (Rupr.) C.A.ParisCommon nameAleutian MaidenhairGenusAdiantumFamilyPteridaceae2 2 observations
Agastache foeniculum (Pursh) KuntzeCommon nameAnise hyssopGenusAgastacheFamilyLamiaceae2,458 1,897 observations
Ageratina altissima (L.) R.M.King & H.Rob.Common nameWhite SnakerootGenusAgeratinaFamilyAsteraceae1,537 1,224 observations
Agoseris aurantiaca (Hook.) GreeneCommon nameMountain agoserisGenusAgoserisFamilyAsteraceae47 45 observations
Agoseris glauca (Pursh) Raf.Common namePrairie agoserisGenusAgoserisFamilyAsteraceae36 31 observations
Agropyron cristatum (L.) Gaertn.Common nameCrested wheatgrassGenusAgropyronFamilyPoaceae137 112 observations
Agrostemma githago L.Common nameCommon CorncockleGenusAgrostemmaFamilyCaryophyllaceae4,434 3,693 observations
