⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-2782698, with some changes.
This name is a synonym of Echinocereus viereckii var. morricalii .
The record derives from WCSP (in review) which reports it as a synonym with original publication details: Kaktusy (Brno) 11: 75 1974.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:276238-2
.