Distribution: Occurring on both sides of the Cascades crest in Washington; widely distributed throughout much of North America.
Habitat: Wet to dry waste areas, including vernal pools where the water is brackish.
Conservation Status: Not of concern
Tufted annual, the culms 0.5-7 dm. tall, often decumbent and freely rooting below.
Sheaths open, smooth to scabrous; ligules 3-10 mm. long, strongly puberulent, narrowed to a blunt, lacerate tip; blades flat, scabrous, 4-7 mm. broad.
Inflorescence a dense panicle 2-15 cm. long; spikelets 1-flowered, articulate below the glume; glumes 2-3.5 mm. long, tawny with age, awned from between very short, rounded lobes, the awns 6-10 mm. long; lemmas about half as long as the glumes, smooth and shining, the tip rounded, with a slender, terminal awn exceeding the glumes by about 1.5 mm.; paleas subequal to the lemmas, 2-nerved.