Stenocereus thurberi f. dichotomus (P.V.Heath) P.V.Heath in Calyx 5: 100. 1996 Stenocereus thurberi f. dichotomus (P.V.Heath) P.V.Heath in Calyx 5: 100. 1996is new combination for Rathbunia thurberi f. dichotoma P.V.Heath in Calyx 2: 103. 1992Taxon for this nameStenocereus thurberi f. dichotomus (P.V.Heath) P.V.Heath