This name is a synonym of Allenrolfea occidentalis (S.Watson) Kuntze.
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Pap. Michigan Acad. Sci. 21: 127 1935 publ. 1936.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:8549-2.
This name was in version 1 of The Plant List, record kew-2628602.