Echinocactus urselianus Monv. in Salm-Dyck, Cact. Hort. Dyck., 1849: 34. 1850 Echinocactus urselianus Monv. in Salm-Dyck, Cact. Hort. Dyck., 1849: 34. 1850Taxon for this nameEchinocactus urselianus Monv. in Salm-Dyck, Cact. Hort. Dyck., 1849: 34. 1850
