This name is a synonym of Mammillaria melanocentra subsp. linaresensis (R. Wolf & F. Wolf) D.R. Hunt.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50180880) with original publication details: Kakteen And. Sukk. 41(11): 264 1990.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:940594-1.
This name was in version 1 of The Plant List, record tro-50180880, and has not been changed.