Distribution: Occurring chiefly east of the Cascades crest in Washington; southern British Columbia to California, east to the Rocky Mountains.
Habitat: Grassy balds, prairies, sagebrush grasslands, and ponderosa pine forest, from the lowlands to middle elevations in the mountains.
Flowers: May-June
Origin: Native
Growth Duration: Perennial
Conservation Status: Not of concern
Pollination: Wind
Tufted perennial, the culms 2-7 dm. tall.
Sheaths open, glabrous to puberulent; ligules rounded, entire, 1-1.5 mm. long; blades involute, 1.5-2.5 mm. broad.
Inflorescence a narrow panicle 4-15 cm. long, the branches short, erect; spikelets 1-flowered; glumes broad, abruptly acuminate, subequal, 7-12 mm. long, 5-veined; floret 5-7.5 mm. long and 1-1.5 mm. thick; lemmas hardened, silky, with an awn from a terminal notch, the awn 18-29 mm. long, twice bent, the first two sections with hairs 0.5 mm. long; palea 2/3 as long as the lemma; stamens 3, the anthers purplish-red, 3-3.5 mm. long.
PNW Herbaria: Specimen records of Achnatherum lemmonii in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Achnatherum lemmonii checklist entry
OregonFlora: Achnatherum lemmonii information
E-Flora BC: Achnatherum lemmonii atlas page
CalPhotos: Achnatherum lemmonii photos