⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-5100150, with some changes.
This name is a synonym of Mammillaria prolifera subsp. multiceps .
The record derives from Tropicos which reports it as a synonym (record 5100150
) with original publication details: Cacti 16 16 1937.