⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-50204532, and has not been changed.
This name is a synonym of Sulcorebutia arenacea (Cárdenas) F. Ritter.
The record derives from Tropicos which reports it as a synonym (record 50204532) with original publication details: Das Kakteenlexikon, S. 418 418 1966.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:246497-2.