Northwestern U.S.A. Plants of Northwestern U.S.A.Explore

• Families
• Genera
• Species 325

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Aegilops cylindrica Host

Least Concern

Jointed goat grass

56 32 Observations

Poaceae

Agropyron cristatum (L.) Gaertn.

Crested wheatgrass

108 90 Observations

Poaceae

Agropyron desertorum (Fisch. ex Link) Schult.

Crested wheatgrass

3 3 Observations

Poaceae

Agrostis canina L.

Least Concern

Velvet bent

50 32 Observations

Poaceae

Agrostis capillaris L.

Common Bent

1,545 1,182 Observations

Poaceae

Agrostis densiflora Vasey

California bentgrass

1 1 Observation

Poaceae

Agrostis exarata Trin.

Spike redtop

11 6 Observations

Poaceae

Agrostis gigantea Roth

Redtop

135 90 Observations

Poaceae

Agrostis hallii Vasey

Hall's bentgrass

1 1 Observation

Poaceae

Agrostis mertensii Trin.

Northern bent

10 9 Observations

Poaceae

Agrostis microphylla Steud.

Small-leaf bent

2 2 Observations

Poaceae

Agrostis pallens Trin.

Seashore Bent

4 4 Observations

Poaceae

Agrostis perennans (Walter) Tuck.

Least Concern

Autumn bent

4 4 Observations

Poaceae

Agrostis scabra Willd.

Tickle grass

2 2 Observations

Poaceae

Agrostis stolonifera L.

Least Concern

Spreading bent

360 237 Observations

Poaceae

Agrostis variabilis Rydb.

Mountain bentgrass

1 1 Observation

Poaceae

Aira praecox L.

Early hair grass

100 77 Observations

Poaceae

Alopecurus aequalis Sobol.

Least Concern

Orange foxtail

119 74 Observations

Poaceae

Alopecurus arundinaceus Poir.

Least Concern

Creeping foxtail

36 29 Observations

Poaceae

Alopecurus carolinianus Walter

Least Concern

Tufted Meadow-Foxtail

3 3 Observations

Poaceae

Alopecurus geniculatus L.

Marsh foxtail

113 74 Observations

Poaceae

Alopecurus magellanicus Lam.

Least Concern

Alpine foxtail

12 12 Observations

Poaceae

Alopecurus myosuroides Huds.

Black twitch

506 332 Observations

Poaceae

Alopecurus pratensis L.

Meadow foxtail

2,735 2,084 Observations

Poaceae

Alopecurus saccatus Vasey

Pacific Meadow-Foxtail

4 4 Observations

Poaceae

Amelichloa brachychaeta (Godr.) Arriaga & Barkworth

Puna grass

9 2 Observations

Poaceae

Andropogon gerardi Vitman

Big bluestem

181 151 Observations

Poaceae

Anthoxanthum aristatum Boiss.

Annual vernal grass

54 39 Observations

Poaceae

Anthoxanthum nitens (Weber) Y.Schouten & Veldkamp

Holy Grass

72 39 Observations

Poaceae

Anthoxanthum occidentale (Buckley) Veldkamp

California sweetgrass

4 4 Observations

Poaceae

Anthoxanthum odoratum L.

Sweet vernal grass

2,209 1,606 Observations

Poaceae

Apera interrupta (L.) P.Beauv.

Dense Silky-bent

31 15 Observations

Poaceae

Apera spica-venti (L.) P.Beauv.

Loose Silky-bent

64 41 Observations

Poaceae

Aristida adscensionis L.

Annual-bristle grass

125 66 Observations

Poaceae

Aristida purpurea Nutt.

Least Concern

Purple 3-awn

7 7 Observations

Poaceae

Arrhenatherum elatius (L.) P.Beauv. ex J.Presl & C.Presl

False Oat Grass

1,833 1,216 Observations

Poaceae

Arthraxon hispidus (Thunb.) Makino

Jointhead

44 29 Observations

Poaceae

Avena barbata Pott ex Link

Yatheroo oat

1,212 898 Observations

Poaceae

Avena fatua L.

Least Concern

Spring wild oat

2,466 2,021 Observations

Poaceae

Avena sativa L.

Red oat

3,641 3,333 Observations

Poaceae

Avena sterilis L.

Least Concern

Sterile oat

248 186 Observations

Poaceae

Avenella flexuosa (L.) Drejer

Wavy Hair-Grass

434 270 Observations

Poaceae

Beckmannia syzigachne (Steud.) Fernald

Least Concern

Slough grass

16 16 Observations

Poaceae

Bothriochloa barbinodis (Lag.) Herter

Cane bluestem

441 264 Observations

Poaceae

Bothriochloa bladhii (Retz.) S.T.Blake

Australian bluestem

5 5 Observations

Poaceae

Bothriochloa ischaemum (L.) Keng

King ranch bluestem

518 340 Observations

Poaceae

Bouteloua barbata Lag.

Six-weeks grama

1 1 Observation

Poaceae

Bouteloua curtipendula (Michx.) Torr.

Tall grama grass

114 101 Observations

Poaceae

Bouteloua gracilis (Kunth) Lag. ex Griffiths

Least Concern

Blue grama

53 42 Observations

Poaceae

Bouteloua simplex Lag.

Mat grama

10 4 Observations

Poaceae

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