⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-50078392, and has not been changed.
This name is a synonym of Clematis hirsutissima Pursh.
The record derives from Tropicos which reports it as a synonym (record 50078392) with original publication details: Torreya 4(4): 58 58 1904.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:267075-2.