Cephalocereus senilis (Haw.) Pfeiff. in Allg. Gartenzeitung 6: 142. 1838 sec. Hunt 2016
- ≡Cactus senilis Haw., Philos. Mag. J. 63. 1824 syn. sec. Guzmán & al. 2003
- =Cereus senilis (Haw.) DC., Prodr. 3: 464. 1828 syn. sec. Guzmán & al. 2003
- =Cephalophorus senilis (Haw.) Lem., Cact. aliq. nov.: XII. 1838 syn. sec. Guzmán & al. 2003
- =Pilocereus senilis (Haw.) Lem., Cact. Gen. Sp. Nov.: 6. 1839 syn. sec. Guzmán & al. 2003
- =Pilocereus senilis var. cristatus Mathsson in Monatsschr. Kakteenk. 1: 32. 1891 syn. sec. ???
- =Cephalocereus senilis f. cristatus (Mathsson) P.V. Heath in Calyx 2: 109. 1992 syn. sec. Heath 1992
- =Cephalocereus senilis f. fasciatus P.V. Heath in Calyx 2: 109. 1992 syn. sec. Heath 1992