⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-2726866, with some changes.
This name is a synonym of Clematis heracleifolia DC..
The record derives from WCSP (in review) which reports it as a synonym with original publication details: Bull. Soc. Imp. Naturalistes Moscou 10(7): 148 1837.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:710158-1.