Clematis fremontii S. Watson. Subgenus: Viorna. Phen: Apr-May. Hab: Calcareous flatwoods and limestone or dolomite glades. Dist: E. MO, s. MO, nc. KS and sc. NE; disjunct in the Ridge and Valley of nw. GA (Floyd County) and se. TN (Hamilton County)
Origin/Endemic status: Native
Taxonomy Comments: The disjunct eastern populations warrant additional study. See Anonymous (2003), Horn & Shaw (2007), and Krakowiak, Shelton, & Shaw (2019) for additional information.
Synonymy: = C, FNA3, GrPl, K1, K3, Tn; = Coriflora fremontii (S.Watson) W.A.Weber – Weber (1995); = Viorna fremontii (S.Watson) A.Heller; > Clematis fremontii S.Watson var. riehlii R.O.Erickson – F