This name is a synonym of Claytonia lanceolata var. flava (A.Nelson) Hitchc..
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Publ. Sci. Univ. Wyoming, Bot. 1: 142 1926.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:291844-2.
This name was in version 1 of The Plant List, record kew-2725101.