Neobuxbaumia euphorbioides var. olfersii (Salm-Dyck) Bravo, Cact. México, ed. 2: 660. 1978 Neobuxbaumia euphorbioides var. olfersii (Salm-Dyck) Bravo, Cact. México, ed. 2: 660. 1978is new combination for Cereus olfersii Salm-Dyck, Hort. Dyck.: 335. 1834Taxon for this nameNeobuxbaumia euphorbioides var. olfersii (Salm-Dyck) Bravo