⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-2813897, and has not been changed.
This name is a synonym of Frailea pumila subsp. deminuta .
The record derives from WCSP (in review) which reports it as a synonym with original publication details: Kakteen 54: CVIe 1973.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:105533-2
.