This name is a synonym of Atriplex billardieri (Moq.) Hook.f..
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: London J. Bot. 6: 279 1847.
This name was in version 1 of The Plant List, record kew-2665207, and has not been changed.