⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-2712227, and has not been changed.
This name is a synonym of Echinocereus polyacanthus var. pacificus (Engelm.) N.P.Taylor.
The record derives from WCSP (in review) which reports it as a synonym with original publication details: W. Amer. Sci. 2: 95 1886.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:274352-2.