Carex louisianica L.H. Bailey. Section: [26rr] Section 31 Lupulinae. Phen: May-Jul. Hab: Floodplain forests and other wet forests. Dist: S. NJ south to ne. FL, Panhandle FL, west to TX, north in the interior to KY, IN, and MO; disjunct in ne. OH. McAvoy (2021) documented the occurrence of the species in DE.
Origin/Endemic status: Native
Synonymy: = Ar, C, ETx1, F, FNA23, G, GW1, Il, K1, K3, K4, Mo1, NcTx, RAB, S, Tn, Va, W, WH3, Mackenzie (1931-1935); < Carex lupulina Muhl. ex Willd. – Tx