This name is a synonym of Amaranthus powellii S.Watson.
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Agrártud. Egyet. Kert- Szölögazdaságtud. Karának Évk. 2: 144 1953.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:1190612-2.
This name was in version 1 of The Plant List, record kew-2632778, and has not been changed.