This name is a synonym of Atriplex velutinella F.Muell..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 7201557) with original publication details: Bot. Jahrb. Syst. 68: 381 1937.
This name was in version 1 of The Plant List, record tro-7201557, and has not been changed.