⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-50267044, and has not been changed.
This name is a synonym of Mammillaria gracilis Pfeiff..
The record derives from Tropicos which reports it as a synonym (record 50267044) with original publication details: Cact. Hort. Dyck. [ed. 1849] 1849: 13, 103 13 1850.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:151033-2.