Echinocactus dumelianus Cels ex Salm-Dyck, Cact. Hort. Dyck., ed. 1849: 39. 1850 Echinocactus dumelianus Cels ex Salm-Dyck, Cact. Hort. Dyck., ed. 1849: 39. 1850Taxon for this nameEchinocactus dumelianus Cels ex Salm-Dyck