⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-5103205, with some changes.
This name is a synonym of Echinopsis ferox (Britton & Rose) Backeb..
The record derives from Tropicos which reports it as a synonym (record 5103205) with original publication details: Cact. Succ. J. (Los Angeles) 33: 110, f. 65, 66 110 1961.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:142474-2.