This name is a synonym of Echinocereus reichenbachii var. armatus (Poselg.) N.P.Taylor.
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Allg. Gartenzeitung 21: 134 1853.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:274350-2.
This name was in version 1 of The Plant List, record kew-2712192, and has not been changed.