Cephalocereus tetazo (F.A.C.Weber ex J.M.Coult.) Diguet in Archiv. Hist. Nat. Acclim. France 4: 370. 1928 Cephalocereus tetazo (F.A.C.Weber ex J.M.Coult.) Diguet in Archiv. Hist. Nat. Acclim. France 4: 370. 1928is orthographic variant for Cephalocereus tetetzoTaxon for this nameCephalocereus tetazo (F.A.C.Weber ex J.M.Coult.) Diguet