Carex atherodes Sprengel. Section: [26pp] Section 29 Carex. Phen: May-Jun. Hab: Marl fens, bottomland prairies, wet meadows, marshes. Dist: Circumboreal, south in North America to NY, n. VA, n. WV, MO, CO, UT, and OR.
Origin/Endemic status: Native
Synonymy: = C, F, FNA23, G, GrPl, Il, K1, K3, K4, Mi, Mo1, NE, NY, Pa, Va, Mackenzie (1931-1935)