Carex complanata Torrey & Hooker. Section: [26ii] Section 24 Porocystis. Phen: May-Jun. Hab: Bottomland forests and swamps, depression swamps, drier barrens. Dist: NJ and s. PA south to n. peninsular FL and Panhandle FL, west to TX and MO; apparently disjunct in AZ.
Origin/Endemic status: Endemic
Synonymy: = ETx1, F, FNA23, GrPl, Il, K1, K3, K4, Mo1, NcTx, S, Tn, Tx, Va, Mackenzie (1931-1935); = Carex complanata Torr. & Hook. var. complanata – C, G; = n/a – Pa; < Carex complanata Torr. & Hook. – GW1, RAB, W, WH3, (also see C. hirsutella)