Synonyms
Clematis micrantha Small
Clematis virginiana var. cordata (Pursh) Kuntze
Clematis virginiana var. catesbyana (Pursh) Britton
Clematis dioica subsp. cordata (Pursh) Kuntze
Clematis dioica var. variabilis Kuntze
Clematis dioica subsp. catesbyana (Pursh) Kuntze