Cereus johnstonii (Britton & Rose) A.Berger, Kakteen: 126. 1929 Cereus johnstonii (Britton & Rose) A.Berger, Kakteen: 126. 1929is new combination for Peniocereus johnstonii Britton & Rose in J. Wash. Acad. Sci. 12: 329. 1922Taxon for this nameCereus johnstonii (Britton & Rose) A.Berger