Hylocereus napoleonis (Graham) Britton & Rose in Contr. U.S. Natl. Herb. 12: 429. 1909 Hylocereus napoleonis (Graham) Britton & Rose in Contr. U.S. Natl. Herb. 12: 429. 1909is new combination for Cereus napoleonis Graham in Bot. Mag. 63: t. 3458. 1836Taxon for this nameHylocereus napoleonis (Graham) Britton & Rose