Echinocactus interruptus Scheidw. ex Salm-Dyck, Cact. Hort. Dyck., ed. 1849: 29. 1850 Echinocactus interruptus Scheidw. ex Salm-Dyck, Cact. Hort. Dyck., ed. 1849: 29. 1850Taxon for this nameEchinocactus interruptus Scheidw. ex Salm-Dyck