⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-50180832, with some changes.
This name is a synonym of Mammillaria voburnensis subsp. collinsii .
The record derives from Tropicos which reports it as a synonym (record 50180832
) with original publication details: Mammillaria Postscripts 6: 11 11 1997.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:996129-1
.