Pacific Reedgrass

Calamagrostis nutkaensis (Presl) Steud. Syn. Gram. 190. 1854
Deyeuxia nutkaensis Presl. Rel. Haenk. 1: 250. 1830.
Calamagrostis aleutica Trin.; Bong. Mem. Acad. St.-Petersb. VI. 2: 171. 1832. (Type from
Unalaska Island, Alaska.) Deyeuxia aleutica Munro; Hook. f. Trans. Linn. Soc. 23: 345. 1861. (Based on Calamagrostis
aleutica Trin.) Calamagrostis albicans Buckl. Proc. Acad. Phila. 1862: 92. 1862. (Type from Columbia Plains,
Oregon, Nutlall.) Deyeuxia breviaristala Vasey, Bull. Torrey Club 15: 48. 1888. (Type from Vancouver Island,
Macoun in 1887.) Calamagrostis aleutica patens Kearney, Bull. U. S. Dep. Agr. Agrost. 11: 20. 1898. (Type from
Mendocino County, California.)
Culms stout, erect, glabrous or often scabrous, especially below the nodes, 1-1.5 m. tall, with short rhizomes; sheaths glabrous or roughish; ligule 6-S mm. long; blades elongate, flat becoming involute, gradually narrowed to a long point, scabrous, 8-12 mm. wide; panicle usually purplish, narrow, rather loose, 15-30 cm. long, the axis scabrous, the branches rather stiffly ascending, overlapping, the longer ones 3-6 cm. long, or rarely as much as 15 cm. long; glumes acuminate, scaberulous, 5-7 mm. long; lemma indistinctly nerved, about 4 mm. long, the awn rather stout, from near the base, slightly geniculate, about equaling the lemma or shorter; hairs of callus and rachilla about half as long.
Type locality: Nootka Sound, Vancouver Island (Haenke).
Distribution: Moist soil or wet wooded hills along the coast from Aleutian Islands, Alaska, to central California; also Kamchatka.