Carex hystericina Muhlenberg ex Willdenow. Section: [26qq] Section 30 Vesicariae. Porcupine Sedge. Phen: May-Jul. Hab: Calcareous fens, marshes, and wet meadows, in seepage over serpentine. Dist: NB west to BC, south to w. VA, sc. TN, w. TX, and n. CA.
Origin/Endemic status: Native
Syn: = Ar, C, FNA23, G, GrPl, K1, K3, K4, Mi, Mo1, NE, NY, Pa, Tn, Tx, Va; = Carex hystricina – F, W, Mackenzie (1931-1935), orthographic variant