The Plant List — A working list for all plant species

⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record tro-50203908, and has not been changed.

M Mammillaria caput-medusae Otto is a synonym of Mammillaria sempervivi DC.

This name is a synonym of Mammillaria sempervivi DC..

The record derives from Tropicos which reports it as a synonym (record 50203908) with original publication details: Enum. Diagn. Cact. 22 22 1837.