This name is a synonym of Atriplex vesicaria subsp. appendiculata (Benth.) Parr-Sm..
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Fl. Austral. 5: 170 1870.
This name was in version 1 of The Plant List, record kew-2665602, and has not been changed.