⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record tro-50198440, with some changes.

Mammillaria barbata var. garessii (Cowper) J. Lode is a synonym of Mammillaria barbata Engelm.

This name is a synonym of Mammillaria barbata Engelm..

The record derives from Tropicos which reports it as a synonym (record 50198440) with original publication details: Repert. Pl. Succ. 43: 15 15 .

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:2976938-1.