⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-2835539, and has not been changed.
This name is a synonym of Gymnocalycium hyptiacanthum subsp. uruguayense (Arechav.) Mereg..
The record derives from WCSP (in review) which reports it as a synonym with original publication details: Revista Sudamer. Bot. 10: 1 1951.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:115355-2.