Freshwater Cord Grass

Spartina pectinata Link, Jahrb. Gewachsk. P: 92. 1820
Spartina cynosuroides var. aureo-marginata Irving. Gard. Chron. III. 38: 372. 1905. (Type grown at Kew Gardens, received from New York Botanical Garden.)
Spartina Michauxiana Hitchc. Contr. U. S. Nat. Herb. 12: 153. 1908. (Based upon the plant described by Michaux as Trachynolia cynosuroides, but the name based on Dactylis cynosuroides L.)
Spartina Michauxiana var. Sultiei Farwell, Rep. Mich. Acad. 21: 352. 1920. (Type from Orchard Lake, Michigan, Sultie.)
Spartina Michauxiana var. tenuior Farwell, Rep. Mich. Acad. 21: 352. 1920. (Type from River Rouge, Michigan, [Farnell 513S.)
Spartina cynosuroides var. Michauxiana St. Yves, Candollea S: 58. 1932. (Based on 5. Michauxiana Hitchc.)
Spartina cynosuroides var. Michauxiana f. major St. Yves, Candollea 5: 61, 62. 1932. (Localities cited, Canada, Viclorin 11358; Victorin if Germain 9055; also Nova Scotia, Newfoundland. Massachusetts, Ohio, Illinois, Minnesota, and Missouri.)
Spartina cynosuroides X gracilis St. Yves, Candollea 5: 66. 1932. (Type from Oregon. Ballards Landing, Cusick 221 in 1890 [error for 2221 in 1899].)
Spartina peclinata var. Suitiei Fernald. Rhodora 35: 260. 1933. (Based on S. Michauxiana var. Suttiei Farwell.)
Culms 0.6-2 meters tall, erect from stout, widely spreading rhizomes; sheaths much longer than the internodes, rounded on the back or obscurely keeled at the summit, glabrous or more or less pubescent at the mouth and on the collar; Ugule ciliate, 1-3 mm. long; blades elongate, 5-12 mm. wide at the base, attenuate, glabrous on both surfaces, the margins very hispid; spikes 5-20 (rarely 30), appressed or narrowly ascending, the lower 5-12 cm. long, gradually shorter upward, the peduncles mostly 1-3 cm. long, the rachis hispid-cUiate on the margins; spikelets usually closely appressed; glumes conspicuously hispid on the keels, the first narrow, acuminate, awned, about as long as the lemma, the second much broader, its body a Httle longer than the lemma, pilose on the margins, the coarse scabrous awn 1-7 mm. long; lemma 7-9 mm long, hispid on the keel, otherwise glabrous, minutely lobed; palea exceeding the lemma, minutely lobed, scabrous toward the summit.
Type locality: North Carolina (Bosc).
Distribution: Fresh or brackish marshes, Newfoundland to Washington and Oregon, and southward to North Carolina, Texas, and New Mexico.