Frasera caroliniensis Walter. Phen: Late May-Jul; Sep-Oct. Hab: Rich forests and woodlands over mafic or calcareous rocks, upper slopes of cove forests, floodplain forests. Dist: W. NY, nw. PA, and s. ON west to IL, MI, MO, and e. OK, south to w. SC, n. GA, and LA, primarily west of the Blue Ridge.
Origin/Endemic status: Native
Other Comments: Horn (1997) studied the ecology of this species in the Piedmont of SC.
Synonymy: = Ar, C, Il, K1, K3, K4, Mi, NY, S, Tn, W, Drake (2011), Threadgill & Baskin (1978); = Swertia caroliniensis (Walter) Kuntze – F, G, Pa, RAB