⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record tro-50130909, with some changes.

Mammillaria furfuracea Watson is a synonym of Ariocarpus retusus subsp. retusus

This name is a synonym of Ariocarpus retusus subsp. retusus .

The record derives from Tropicos which reports it as a synonym (record 50130909) with original publication details: Proc. Amer. Acad. Arts 25: 150 150 1890.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:150986-2.