Echinopsis rhodacantha (Salm-Dyck) Salm-Dyck, Cact. Hort. Dyck., ed. 1849: 182. 1850
Echinopsis rhodacantha, Cact. Hort. Dyck., ed. 1849: 182. 1850
is correct spelling for Echinopsis rhodocantha, Handb. Cacteenk.: 368. 1846
is new combination for Echinocactus rhodacanthus, Hort. Dyck.: 341-342. 1834
Echinopsis rhodacantha, Cact. Hort. Dyck., ed. 1849: 182. 1850