⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-50180252, with some changes.
This name is a synonym of Mammillaria standleyi (Britton & Rose) Orcutt.
The record derives from Tropicos which reports it as a synonym (record 50180252) with original publication details: Mammillaria Handb. 307, f. 279 307 1945.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:150710-2.