This name is a synonym of Pilosocereus robinii (Lem.) Byles & G.D. Rowley.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 5102887) with original publication details: Ill. Hort. 2: 74 1864.
This name was in version 1 of The Plant List, record tro-5102887, and has not been changed.