Rhynchospora sulcata Gale. Phen: Jun-Jul. Hab: Limesink ponds (dolines), Carolina bays, other seasonally ponded depressional wetlands. Dist: Se. NC south to Panhandle FL; West Indies (Cuba); Central America and perhaps n. South America. See Ungberg (2022) for discussion of its occurrence in NC.
Origin/Endemic status: Native
Synonymy: = GW1, RAB, WH3, Bridges & Orzell (2023) in Weakley et al. (2023, in press), McMillan (2007); > Rhynchospora brittonii Gale – Gale (1944); < Rhynchospora microcarpa Baldwin ex A.Gray – FNA23, K1, K3, K4; > Rhynchospora sulcata Gale – Gale (1944)