Arequipa haynei (Otto ex Salm-Dyck) Krainz, Kakteen 25: C vb. 1963 Arequipa haynei (Otto ex Salm-Dyck) Krainz, Kakteen 25: C vb. 1963is new combination for Echinocactus haynei Otto ex Salm-Dyck, Cact. Hort. Dyck., ed. 1849: 32. 1850Taxon for this nameArequipa haynei (Otto ex Salm-Dyck) Krainz, Kakteen 25: C vb. 1963