Pycnanthemum montanum Michaux. Phen: Jun-Aug; Sep-Oct. Hab: Balds, soil islands on granitic domes, calcareous woodlands, woodlands, forests, and forest edges. Dist: W. NC and e. TN to nw. SC and n. GA, a Southern Appalachian endemic.
Origin/Endemic status: Endemic
Taxonomy Comments: A diploid species (n = 20).
Synonymy: = C, F, G, K1, K3, K4, RAB, Tn, Chambers & Hamer (1992), Grant & Epling (1943); = Koellia montana (Michx.) Kuntze – S