Trichophorum clintonii, the Clinton's bulrush, is a plant species native to Canada and the northeastern United States. It has been reported from Alberta, Saskatchewan, Ontario, Québec, New Brunswick, Maine, New York State, Michigan, Wisconsin, and Minnesota.
Trichophorum clintonii is a perennial herb up to tall, forming dense clumps but without rhizomes. Culms are triangular in cross-section. Leaves are up to long. The inflorescences is one brown spikelet with three to six flowers. Achenes are flattened triangles about long.Flora of North America v 23 p 31, Trichophorum clintoniiSmith, Stanley Galen. 1995. Novon 5(1): 102.Löve, Áskell & Löve, Doris Benta Maria. 1965. University of Colorado Studies : Series in Biology 17: 14.Gray, Asa. 1864. American Journal of Science, and Arts, ser. 2, 38(113): 290.
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