This name is a synonym of Geranium californicum G.N.Jones & F.F.Jones.
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Rhodora 45: 36 1943.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:109112-2.
This name was in version 1 of The Plant List, record kew-2823080, and has not been changed.