Cactus senilis Haw. in Philos. Mag. J. 63: 41. 1824
Cactus senilis in Philos. Mag. J. 63: 41. 1824
is basionym for Cephalocereus senilis in Allg. Gartenzeitung 6: 142. 1838
is basionym for Cephalocereus senilis in Engler & Prantl, Nat. Pflanzenfam. 3(6a): 181. 1894
is basionym for Echinocactus senilis in Gard. Mag. & Reg. Rural Domest. Improv. 15: 550. 1839
is basionym for Cereus senilis, Prodr. 3: 464. 1828
is basionym for Cephalophorus senilis, Cact. aliq. nov.: 7. 1838
is basionym for Euporteria senilis in Repert. Spec. Nov. Regni Veg. 50: 201. 1941
is basionym for Pilocereus senilis, Cact. Gen. Sp. Nov.: 7. 1839
Type: Mexico (not located)
Neotype (designated by Tapia, H.J., Bárcenas-Argüello, M.L., Terrazas, T. & Arias, S. 2017: 121): Mexico. Hidalgo: Metztitlan, 17 Jun 2005, G. Arroyo-Cosultchi 23 (MEXU 1439221)
Cactus senilis in Philos. Mag. J. 63: 41. 1824