Pycnanthemum nudum Nuttall. Hab: Wet pine flatwoods. Dist: Se. SC south to n. peninsular FL, Panhandle FL, and se. AL. Small (1933) attributes this species to NC; the documentation is unknown (and doubtful).
Origin/Endemic status: Endemic
Other Comments: This is a diploid species (n = 20).
Synonymy: = Fl6, GW2, K1, K3, K4, WH3, Grant & Epling (1943); = Koellia nuda (Nutt.) Kuntze – S; = n/a – RAB