This name is a synonym of Myrtillocactus geometrizans (Mart. ex Pfeiff.) Console.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 5102339) with original publication details: Anales Inst. Biol. Univ. Nac. México 3: 15 1932.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:166640-2.
This name was in version 1 of The Plant List, record tro-5102339, and has not been changed.