Grasses of Montana (Poaceae Family)

Grasses as listed by the State of Montana Initial Upload: USDA Plants database state list combined with Montana Species Snapshot Filtered from All Montana Species Montana Natural Heritage Program. Retrieved on May 27, 2018, from ...more ↓

roughleaf ricegrass ¹
Oryzopsis asperifolia

Thurber's needlegrass ²
Achnatherum thurberianum

pine needlegrass
Achnatherum pinetorum

Richardson's needlegrass ³
Achnatherum richardsonii

western needlegrass ⁴
Achnatherum occidentale

pubescent western needlegrass
Achnatherum occidentale pubescens

Lemmon's needlegrass
Achnatherum lemmonii lemmonii

porcupinegrass ⁵
Hesperostipa spartea

Achnatherum bloomeri
Achnatherum × bloomeri

contracted ricegrass
Achnatherum contractum

Indian ricegrass ⁶
Achnatherum hymenoides

Lemmon's needlegrass
Achnatherum lemmonii

needle and thread
Hesperostipa comata comata

Letterman's needlegrass
Achnatherum lettermanii

Columbia needlegrass ⁷
Achnatherum nelsonii

Dore's needlegrass
Achnatherum nelsonii dorei

shortbristle needle and thread
Hesperostipa curtiseta

intermediate needle and thread
Hesperostipa comata intermedia

needle and thread ⁸
Hesperostipa comata

Columbia needlegrass
Achnatherum nelsonii nelsonii

littleseed ricegrass
Piptatheropsis micrantha

little ricegrass
Piptatheropsis exigua

green needlegrass ⁷
Nassella viridula

Edited by Kelsey McCartney, some rights reserved (CC BY-SA)

Photo Credits

1. (c) MBG, some rights reserved (CC BY-NC-SA)
2. (c) Corey Lange, some rights reserved (CC BY-NC), uploaded by Corey Lange
3. (c) Bruce Bennett, some rights reserved (CC BY-NC), uploaded by Bruce Bennett
4. (c) USDA NRCS PLANTS Database, some rights reserved (CC BY-NC-SA)
5. (c) Mark Kluge, some rights reserved (CC BY-NC-ND), uploaded by Mark Kluge
6. (c) Joe Decruyenaere, some rights reserved (CC BY-SA)
7. (c) Matt Lavin, some rights reserved (CC BY-SA)
8. (c) elizzabeth, some rights reserved (CC BY-NC)

Grasses of Montana (Poaceae Family)

roughleaf ricegrass 1 Oryzopsis asperifolia

Thurber's needlegrass 2 Achnatherum thurberianum

pine needlegrass Achnatherum pinetorum

Richardson's needlegrass 3 Achnatherum richardsonii

western needlegrass 4 Achnatherum occidentale

pubescent western needlegrass Achnatherum occidentale pubescens

Lemmon's needlegrass Achnatherum lemmonii lemmonii

porcupinegrass 5 Hesperostipa spartea

Achnatherum bloomeri Achnatherum × bloomeri

contracted ricegrass Achnatherum contractum

Indian ricegrass 6 Achnatherum hymenoides

Lemmon's needlegrass Achnatherum lemmonii

needle and thread Hesperostipa comata comata

Letterman's needlegrass Achnatherum lettermanii

Columbia needlegrass 7 Achnatherum nelsonii

Dore's needlegrass Achnatherum nelsonii dorei

shortbristle needle and thread Hesperostipa curtiseta

intermediate needle and thread Hesperostipa comata intermedia

needle and thread 8 Hesperostipa comata

Columbia needlegrass Achnatherum nelsonii nelsonii

littleseed ricegrass Piptatheropsis micrantha

little ricegrass Piptatheropsis exigua

green needlegrass 7 Nassella viridula