Distribution: Introduced from British Columbia to Baja California, mostly west of the Cascades in Washington, but east to Idaho and Colorado.
Habitat: A weed of waste ground and along highways and railroads.
Flowers: April - June
Conservation Status: Not of concern
Annual, the culms 4-8 dm. tall, usually glabrous.
Leaf blades flat, 3-10 mm. wide; sheaths with soft, spreading hairs; ligules lacerate, 3-5 mm. long; auricles lacking.
Inflorescence a spreading to erect panicle 10-15 cm. long, the branches elongate, bearing only 1-2 spikelets; spikelets 5- to 7-flowered, 2.5-4 cm. long, broadest above mid-length; glumes glabrous, narrowly lanceolate, the first 1-nerved, 15-20 mm. long, the second 3-nerved, 25-33 mm. long; lemmas 25-30 mm. long, puberulent, the 2 teeth slender, 3-4 mm. long, the awn attached between the teeth 3.5-6 cm. long, straight; stamens 3.