Hylocereus extensus (Salm-Dyck ex DC.) Britton & Rose, Cactaceae 2: 191. 1920 Hylocereus extensus (Salm-Dyck ex DC.) Britton & Rose, Cactaceae 2: 191. 1920is new combination for Cereus extensus Salm-Dyck ex DC., Prodr. 3: 469. 1828Taxon for this nameHylocereus extensus (Salm-Dyck ex DC.) Britton & Rose