Pilosocereus kanukuensis (Alexander) Leuenb. in Willdenowia 16: 506. 1987 sec. Hunt 2006
- ≡Cephalocereus kanukuensis Alexander in Lloydia 2: 200. 1939 syn. sec. Hunt 2006
- ≡Pilosocereus oligolepis subsp. kanukuensis (Alexander) P.J.Braun & Esteves in Succulenta (Netherlands) 74: 134. 1995 syn. sec. ???