⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-2727108, with some changes.
This name is a synonym of Clematis villosa .
The record derives from WCSP (in review) which reports it as a synonym with original publication details: Bull. Misc. Inform. Kew 1920: 20 1920.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:710240-1
.