This name is a synonym of Gymnocalycium mihanovichii (Frič ex Gürke) Britton & Rose.
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym and as an invalid name with original publication details: Friciana IV, 23: 3 1964.
This name was in version 1 of The Plant List, record kew-2835623.