Mediocactus coccineus (Salm-Dyck ex DC.) Britton & Rose, Cactaceae 2: 211. 1920 Mediocactus coccineus (Salm-Dyck ex DC.) Britton & Rose, Cactaceae 2: 211. 1920is new combination for Cereus coccineus Salm-Dyck ex DC., Prodr. 3: 469. 1828Type: not designatedTaxon for this nameMediocactus coccineus (Salm-Dyck ex DC.) Britton & Rose