This name is a synonym of Echinopsis tarijensis (Vaupel) Friedrich & G.D.Rowley.
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: I.O.S. Bull. 3: 96 1974.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:132736-1.
This name was in version 1 of The Plant List, record kew-2783522.