⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record tro-50180667, and has not been changed.

Mammillaria formosa subsp. chionocephala (J.A. Purpus) D.R. Hunt is a synonym of Mammillaria chionocephala J.A. Purpus

This name is a synonym of Mammillaria chionocephala J.A. Purpus.

The record derives from Tropicos which reports it as a synonym (record 50180667) with original publication details: Mammillaria Postscripts 7: 3 3 1998.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:1010850-1.