Efossus multicostatus (Hildm. ex K.Schum.) Orcutt in Cactography 5. 1926 Efossus multicostatus (Hildm. ex K.Schum.) Orcutt in Cactography 5. 1926is new combination for Echinocactus multicostatus Hildm. ex K.Schum., Gesamtbeschr. Kakt.: 376. 1897–1899Taxon for this nameEfossus multicostatus (Hildm. ex K.Schum.) Orcutt