⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-2712088, with some changes.
This name is a synonym of Echinocereus enneacanthus Engelm..
The record derives from WCSP (in review) which reports it as a synonym with original publication details: Rep. (Annual) Missouri Bot. Gard. 16: 81 1905.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:53123-2.