Distribution: Introduced from Vancouver Island, British Columbia, south on both sides of the Cascades to southern California, east to western Idaho.
Habitat: A weed of waste areas, especially where moist.
Flowers: April - June
Growth Duration: Annual
Conservation Status: Not of concern
Glabrous to hairy annual, the culms 1-4 dm. tall.
Sheaths open; auricles lacking; ligules 0.2-0.6 mm. long; blades pubescent, 2-4 mm. broad.
Inflorescence a terminal spike, usually erect, 3-6 cm. long, sometimes partly concealed by the upper leaf sheath; spikelets 3 per node, 1-flowered, the central spikelet sessile, its lemma with an awn up to 10 mm. long; lateral spikelets with short, straight pedicles 1 mm. long, the floret rudimentary, awnless, borne on a curved rachilla about 1 mm. long; glumes all slender and awn-like, 8-15 mm. long, only 0.6 mm. broad at the widest point.