This name is a synonym of Atriplex parishii var. depressa (Jeps.) S.L.Welsh.
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Pittonia 2: 304 1892.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:26307-2.
This name was in version 1 of The Plant List, record kew-2665222, and has not been changed.