⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-50138419, 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 50138419) with original publication details: Kakteen Südamer. 2: 577 577 1980.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:142846-2.