⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-5100990, with some changes.
This name is a synonym of Mammillaria dioica subsp. dioica .
The record derives from Tropicos which reports it as a synonym (record 5100990
) with original publication details: Fl. Calif. 2: 549 549 1936.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:280355-2
.