⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-2726539, with some changes.
This name is a synonym of Clematis virginiana .
The record derives from WCSP (in review) which reports it as a synonym with original publication details: Bull. Soc. Imp. Naturalistes Moscou 27(2): 273 1854.