⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-2813945, with some changes.

Frailea pygmaea subsp. asperispina (F.Ritter) P.J.Braun & Esteves is a synonym of Frailea pygmaea (Speg.) Britton & Rose

This name is a synonym of Frailea pygmaea (Speg.) Britton & Rose.

The record derives from WCSP (in review) which reports it as a synonym with original publication details: Succulenta (Netherlands) 74: 131 1995.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:1111239-2.