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