Carnegiea tetetzo (F.A.C.Weber ex J.M.Coult.) P.V.Heath in Calyx 2(3): 108. 1992 Carnegiea tetetzo (F.A.C.Weber ex J.M.Coult.) P.V.Heath in Calyx 2(3): 108. 1992is new combination for Cereus tetetzo F.A.C.Weber ex J.M.Coult. in Contr. U.S. Natl. Herb. 3: 409. 1896Taxon for this nameCarnegiea tetetzo (F.A.C.Weber ex J.M.Coult.) P.V.Heath in Calyx 2(3): 108. 1992