Distribution: Southern British Columbia south to California, and in the Rocky Mountains and eastern United States.
Habitat: Roadsides and waste places.
Flowers: May - July
Conservation Status: Not of concern
Annual, the culm 5-10 dm. tall, usually soft-pubescent throughout.
Sheaths closed; ligules 2-3 mm. long, lacerate; blades flat, 2-3 mm. broad.
Inflorescence a narrow panicle 8-12 cm. long, the branches shorter than the spikelets, strictly erect; spikelets 5- to 7-flowered, 2-2.5 mm. long; first glume 1-nerved, 7-10 mm. long, the second 3-nerved, 2-3 mm. longer; lemmas about 13 mm. long, obtuse, only slightly bifid, the awn up to 30 mm. long; anthers exerted; ovary strongly hairy on the upper half.