⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-50143166, and has not been changed.
This name is a synonym of Mammillaria gaumeri (Britton & Rose) Orcutt.
The record derives from Tropicos which reports it as a synonym (record 50143166) with original publication details: Cactaceae 4: 72-73, t. 8, f. 1, t. 12, f. 2 72 1923.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:168715-2.