This name is a synonym of Atriplex gmelinii C.A.Mey. ex Bong..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 7200203) with original publication details: Vasc. Pl. Pacific N.W. 2: 190 1964.
This name was in version 1 of The Plant List, record tro-7200203.