Cleistocactus rhodacanthus (Salm-Dyck) Lem. in Ill. Hort. 8(Misc.): 35. 1861 Cleistocactus rhodacanthus (Salm-Dyck) Lem. in Ill. Hort. 8(Misc.): 35. 1861is new combination for Echinocactus rhodacanthus Salm-Dyck, Hort. Dyck.: 341-342. 1834Taxon for this nameCleistocactus rhodacanthus (Salm-Dyck) Lem.