⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-2683443, with some changes.
This name is a synonym of Echinofossulocactus arrigens .
The record derives from WCSP (in review) which reports it as a synonym with original publication details: Anales Soc. Ci. Argent. 96: 69 1923.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:36603-2
.