Cereus rhodacanthus (Salm-Dyck) F.A.C.Weber in Bois, Dict. Hort.: 472. 1896 Cereus rhodacanthus (Salm-Dyck) F.A.C.Weber in Bois, Dict. Hort.: 472. 1896is new combination for Echinocactus rhodacanthus Salm-Dyck, Hort. Dyck.: 341-342. 1834Taxon for this nameCereus rhodacanthus (Salm-Dyck) F.A.C.Weber