Echinocactus flexispinus Salm-Dyck, Cact. Hort. Dyck., ed. 1849: 159. 1850 Echinocactus flexispinus Salm-Dyck, Cact. Hort. Dyck., ed. 1849: 159. 1850Taxon for this nameEchinocactus flexispinus Salm-Dyck
