⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-2835575, with some changes.

Gymnocalycium castellanosii var. bozsingianum (Schütz) Piltz is a synonym of Gymnocalycium castellanosii Backeb.

This name is a synonym of Gymnocalycium castellanosii Backeb..

The record derives from WCSP (in review) which reports it as a synonym with original publication details: Gymnos 9(18): 43 1993.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:977305-1.