⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-2614468, with some changes.
This name is a synonym of Echinopsis thionantha subsp. glauca (F.Ritter) M.Lowry.
The record derives from WCSP (in review) which reports it as a synonym with original publication details: Kakteen And. Sukk. 19: 92 1968.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:1615-2.