⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-50181077, and has not been changed.
This name is a synonym of Mammillaria rhodantha subsp. mollendorffiana (Shurly) D.R. Hunt.
The record derives from Tropicos which reports it as a synonym (record 50181077) with original publication details: Cact. J. (London) 10: 19 19 1948.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:151293-2.