⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-50183781, 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 50183781
) with original publication details: Gattung Mammillaria 175-176 175 1987.