Phyllocactus acutifrons Salm-Dyck, Cact. Hort. Dyck., ed. 1844: 37. 1845 Phyllocactus acutifrons Salm-Dyck, Cact. Hort. Dyck., ed. 1844: 37. 1845Taxon for this namePhyllocactus acutifrons Salm-Dyck, Cact. Hort. Dyck., ed. 1844: 37. 1845