⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-50323627, with some changes.
This name is a synonym of Sulcorebutia steinbachii (Werderm.) Backeb..
The record derives from Tropicos which reports it as a synonym (record 50323627) with original publication details: Cactaceae 3: 1434 1434 1959.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:142652-2.