Rhynchospora cephalantha A. Gray var. attenuata Gale. Phen: Jul-Oct. Hab: Pine savannas, sandhill seeps, openings in streamhead pocosins. Dist: The range of this variety is poorly known; it is reported by Gale (1944) from NC, SC, AL, and MS. Recent collections from MD and VA extend the range. See discussion in Sorrie et al. (1997).
Origin/Endemic status: Endemic
Synonymy: = Va, Gale (1944), McMillan (2007); < Rhynchospora cephalantha A.Gray – C, FNA23, GW1, K1, K3, K4, RAB; < Rynchospora axillaris (Lam.) Britton – S