This name is a synonym of Cephalocereus columna-trajani (Karw. ex Pfeiff.) K.Schum..
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Nat. Pflanzenfam. 3(6a): 182 1894.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:52135-2.
This name was in version 1 of The Plant List, record kew-2709489, and has not been changed.