Pilocereus alensis F.A.C.Weber in Bull. Mus. Hist. Nat. (Paris) 2: 508. 1905
Pilocereus alensis in Bull. Mus. Hist. Nat. (Paris) 2: 508. 1905
is basionym for Pilosocereus alensis in Cact. Succ. J. Gr. Brit. 19: 66. 1957
is basionym for Cereus alensis in Monatsschr. Kakteenk. 23: 23. 1913
is basionym for Cephalocereus alensis in Contr. U.S. Natl. Herb. 12: 415. 1909
Type: Mexico, Jalisco, Sierra del Alo, near Manzanillo, L. Diguet s.n. (holotype: P?; isotypes: US?, RB 00537920)