Distribution: British Columbia south, east of the Cascades, to California, east to Montana and Texas.
Habitat: Dry to moist alkaline places.
Flowers: June - September
Conservation Status: Not of concern
Strongly rhizomatous, yellowish-green perennial, the culms solid, glabrous, 1-3 dm. tall.
Sheaths open; ligules truncate, 0.5-1 mm. long; blades flat, scabrous-margined, 1-2 mm. broad.
Inflorescence a large, open panicle, often half as long as the total height of the plant; spikelets usually 1-flowered, but occasionally 2-flowered; glumes nearly equal, puberulent on the keel, the first 1-nerved, about 1 mm. long, the second slightly wider; lemmas up to half again as long as the glumes, 3-nerved, minutely awn-tipped; palea slightly longer than the lemma, 2-nerved.