This name is a synonym of Gymnocalycium saglionis subsp. tilcarense (Backeb.) H.Till & W.Till.
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Kaktusá? 5: 106 1934.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:313585-2.
This name was in version 1 of The Plant List, record kew-2835827, and has not been changed.