This name is a synonym of Echinopsis oxygona (Link) Zucc. ex Pfeiff. & Otto.
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Hort. Brit. ed. 3: 283 1839.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:132032-1.
This name was in version 1 of The Plant List, record kew-2782094.