This name is a synonym of Echinocereus triglochidiatus var. gurneyi L.D.Benson.
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Cact. Succ. J. (Los Angeles) 60: 26 1988.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:276218-2.
This name was in version 1 of The Plant List, record kew-2782562, and has not been changed.