Distribution: Common introduction from Alaska south to Baja California, east to Idaho and Montana.
Habitat: Waste ground, roadsides, dry hillsides.
Flowers: May - July
Conservation Status: Not of concern
Annual, the culms 2-7 dm. tall, usually soft-pubescent throughout.
Sheaths closed; ligules 0.5-1 mm. long, hairy; blades flat, 1.5-4 mm. broad.
Inflorescence an erect, narrow, crowded panicle 3-10 cm. long, the spikelets exceeding the pedicles; spikelets 5- to 7-flowered, 1-2 cm. long; first glume 4-6 mm. long, lanceolate, the second slightly longer and wider; lemmas 6.5-8.5 mm. long, the area between the nerves depressed and concave; lemmas with straight awns 6-10 mm. long from a bifid apex.