⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-50180865, with some changes.
This name is a synonym of Mammillaria longiflora subsp. longiflora .
The record derives from Tropicos which reports it as a synonym (record 50180865
) with original publication details: Cactaceae 4: 163-164, f. 181 163 1923.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:168741-2
.