Distribution: British Columbia south, chiefly east of the Cascade crests, but also in the coastal mountains, to California, east to the Dakotas and New Mexico.
Habitat: From the plains to mid-elevations in the mountains.
Flowers: June - August
Conservation Status: Not of concern
Tufted perennial, the culms hollow, erect, usually glabrous, 4-10 dm. tall, often forming clumps 1.5 dm. broad.
Sheaths open, usually glabrous; auricles well-developed; ligules scarcely 1 mm. long; blades usually flat, 1.5-3 mm. broad, usually glabrous on the back and puberulent on the front; leaves numerous.
Inflorescence a loose, open spike 8-15 cm. long; spikelets usually 1 per node, from slightly longer to shorter than the internode, 6- to 8-flowered; glumes 7-9 mm. long, narrowly oblong, 4-5 nerved, sometimes awn-tipped; lemmas 8-11 mm. long, awnless, or with a divergent awn up to 2 cm. long; paleas rounded, slightly exceeding the lemma; anthers purplish.