⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-50185743, and has not been changed.
This name is a synonym of Mammillaria ortegae (Britton & Rose) Orcutt.
The record derives from Tropicos which reports it as a synonym (record 50185743) with original publication details: Cactaceae 4: 83, f. 76 83 1923.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:168771-2.