⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-50181101, and has not been changed.
This name is a synonym of Mammillaria sphacelata subsp. viperina .
The record derives from Tropicos which reports it as a synonym (record 50181101
) with original publication details: Monatsschr. Kakteenk. 22: 148 148 1912.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:151842-2
.