⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-2835844, and has not been changed.
This name is a synonym of Gymnocalycium bayrianum Till ex H.Till.
The record derives from WCSP (in review) which reports it as a synonym with original publication details: Cactaceae (Bratislava) 9: 84 1999.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:1017046-1.