This name is a synonym of Atriplex quadrivalvata var. sessilifolia (Ising) Ising.
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Trans. Roy. Soc. South Australia 88: 111 1955.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:164151-1.
This name was in version 1 of The Plant List, record kew-2665797, and has not been changed.