⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-2828242, with some changes.
This name is a synonym of Clarkia purpurea (Curtis) A.Nelson & J.F.Macbr..
The record derives from WCSP (in review) which reports it as a synonym with original publication details: Univ. Calif. Publ. Bot. 2: 346 1907.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:111542-2.