⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-2781734, with some changes.
This name is a synonym of Gymnocalycium paraguayense (K.Schum.) Hosseus.
The record derives from WCSP (in review) which reports it as a synonym with original publication details: Handb. Kakteenkult. 190 1907.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:87314-2.