⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-2813962, with some changes.
This name is a synonym of Frailea cataphracta subsp. duchii .
The record derives from WCSP (in review) which reports it as a synonym with original publication details: Kaktusy (Brno) 40(Spec. 1): 14 2004.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:77061560-1
.