⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-50180827, and has not been changed.
This name is a synonym of Mammillaria mercadensis Patoni.
The record derives from Tropicos which reports it as a synonym (record 50180827) with original publication details: Cact. Succ. J. Gr. Brit. 22: 51 51 1960.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:151890-2.