⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-50185539, with some changes.
This name is a synonym of Frailea pygmaea .
The record derives from Tropicos which reports it as a synonym (record 50185539
) with original publication details: Cactaceae 3: 194, f. 206 194 1922.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:149629-2
.