Efossus arrigens (Link ex A.Dietr.) Orcutt in Cactography 5. 1926 Efossus arrigens (Link ex A.Dietr.) Orcutt in Cactography 5. 1926is new combination for Echinocactus arrigens Link ex A.Dietr. in Allg. Gartenzeitung 8: 161. 1840Taxon for this nameEfossus arrigens (Link ex A.Dietr.) Orcutt
