⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-50145593, with some changes.
This name is a synonym of Mammillaria petrophila subsp. petrophila .
The record derives from Tropicos which reports it as a synonym (record 50145593
) with original publication details: Cactus & Succ. Jour. 8: 99, f. sn 99 1937.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:150997-2
.