Efossus lloydii (Britton & Rose) Orcutt in Cactography 5. 1926 Efossus lloydii (Britton & Rose) Orcutt in Cactography 5. 1926is new combination for Echinofossulocactus lloydii Britton & Rose, Cactaceae 3: 113. 1922Taxon for this nameEfossus lloydii (Britton & Rose) Orcutt