⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-50181107, and has not been changed.
This name is a synonym of Mammillaria spinosissima subsp. pilcayensis .
The record derives from Tropicos which reports it as a synonym (record 50181107
) with original publication details: Anales Inst. Biol. Univ. Nac. Mexico 28: 37 37 1958.