This name is a synonym of Atriplex pseudocampanulata Aellen.
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Proc. Linn. Soc. New South Wales 55: 497 1930.
This name was in version 1 of The Plant List, record kew-2665114, and has not been changed.