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