⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record tro-50178832, with some changes.

Pyrrhocactus horridus var. mutabilis F. Ritter is a synonym of Eriosyce curvispina (Bertero ex Colla) Katt.

This name is a synonym of Eriosyce curvispina (Bertero ex Colla) Katt..

The record derives from Tropicos which reports it as a synonym (record 50178832).

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:314398-2.