Carex torta F. Boott ex Tuckerman. Section: [26r] Section 13 Phacocystis. Phen: Apr-Jun. Hab: Rocky streambeds, often dominant in patches in the beds of mountain streams, along their banks, and on rocky or cobbly islands. Dist: NS west to ON, south to sc. NC, SC (Gaddy 1981), nc. GA (Jones & Coile 1988), AL, nw. MS, s. AR, and e. OK.
Origin/Endemic status: Native
Synonymy: = Ar, C, F, FNA23, G, Il, K1, K3, K4, Mo1, NE, NY, Pa, RAB, S, Tn, Va, W, Mackenzie (1931-1935)