Echinocactus stainesii Hook. ex Salm-Dyck, Cact. Hort. Dyck., ed. 1849: 27. 1850 Echinocactus stainesii Hook. ex Salm-Dyck, Cact. Hort. Dyck., ed. 1849: 27. 1850is basionym for Ferocactus stainesii (Hook. ex Salm-Dyck) Britton & Rose, Cactaceae 3: 124. 1922Taxon for this nameEchinocactus stainesii Hook. ex Salm-Dyck