Echinocactus dicracanthus hort. ex Forbes, Journ. Hort. Tour Germ.: 160. 1837 Echinocactus dicracanthus hort. ex Forbes, Journ. Hort. Tour Germ.: 160. 1837Taxon for this nameEchinocactus dicracanthus hort. ex Forbes, Journ. Hort. Tour Germ.: 160. 1837