This name is a synonym of Neobuxbaumia tetetzo (F.A.C.Weber ex K.Schum.) Backeb..
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Allan Hancock Found. Publ. Occas. Pap. 1: 12 1948.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:129877-1.
This name was in version 1 of The Plant List, record kew-2709537.