⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-50136328, and has not been changed.
This name is a synonym of Echinopsis quadratiumbonata (F.Ritter) D.R.Hunt.
The record derives from Tropicos which reports it as a synonym (record 50136328) with original publication details: Kakteen Südamer. 2: 566 566 1980.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:257124-2.