This name is a synonym of Echinopsis aurea Britton & Rose.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50196021) with original publication details: Lobivia 85: 137–17 1985.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:964870-1.
This name was in version 1 of The Plant List, record tro-50196021, and has not been changed.