Werckleocereus tonduzii (F.A.C.Weber) Britton & Rose in Contr. U.S. Natl. Herb. 12: 432. 1909 Werckleocereus tonduzii (F.A.C.Weber) Britton & Rose in Contr. U.S. Natl. Herb. 12: 432. 1909is new combination for Cereus tonduzii F.A.C.Weber in Bull. Mus. Hist. Nat. (Paris) 8: 459. 1902Taxon for this nameWerckleocereus tonduzii (F.A.C.Weber) Britton & Rose