This name is a synonym of Atriplex oreophila Phil..
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Physis (Buenos Aires) 9: 302 1929.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:26350-2.
This name was in version 1 of The Plant List, record kew-2665376, and has not been changed.