⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record tro-27103280, and has not been changed.

Viorna arizonica (A. Heller) A. Heller is a synonym of Clematis hirsutissima Pursh

This name is a synonym of Clematis hirsutissima Pursh.

The record derives from Tropicos which reports it as a synonym (record 27103280) with original publication details: Muhlenbergia 1(3): 40 40 1904.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:267066-2.