Malacocarpus corynodes (Otto ex Pfeiff.) Salm-Dyck, Cact. Hort. Dyck., ed. 1849: 25. 1850
Malacocarpus corynodes, Cact. Hort. Dyck., ed. 1849: 25. 1850
is new combination for Echinocactus corynodes, Enum. Diagn. Cact.: 55. 1837
Malacocarpus corynodes, Cact. Hort. Dyck., ed. 1849: 25. 1850