Efossus lamellosus (A.Dietr.) Orcutt in Cactography 5. 1926 Efossus lamellosus (A.Dietr.) Orcutt in Cactography 5. 1926is new combination for Echinocactus lamellosus A.Dietr. in Allg. Gartenzeitung 15: 177. 1847Taxon for this nameEfossus lamellosus (A.Dietr.) Orcutt