⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-2614467, with some changes.

Acanthocalycium andreaeanum (Backeb.) Donald is a synonym of Pyrrhocactus kattermannii R.Kiesling

The record derives from WCSP (in review) which reports it as a synonym with original publication details: Ashingtonia 1: 125 1975.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:1614-2.