This name is a synonym of Gymnocalycium schickendantzii (F.A.C.Weber) Britton & Rose.
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Kakteen Südamer. 2: 475 1980.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:115353-2.
This name was in version 1 of The Plant List, record kew-2835537, and has not been changed.