Opuntia missouriensis var. elongata Salm-Dyck, Cact. Hort. Dyck., ed. 1844: 46. 1845 Opuntia missouriensis var. elongata Salm-Dyck, Cact. Hort. Dyck., ed. 1844: 46. 1845Taxon for this nameOpuntia missouriensis var. elongata Salm-Dyck