Echinocactus caespititius Pfeiff. ex Salm-Dyck, Cact. Hort. Dyck., ed. 1849: 35. 1850 Echinocactus caespititius Pfeiff. ex Salm-Dyck, Cact. Hort. Dyck., ed. 1849: 35. 1850Type: not designatedTaxon for this nameEchinocactus caespititius Pfeiff. ex Salm-Dyck