Efossus heteracanthus (Muehlenpf.) Orcutt in Cactography 5. 1926
Efossus heteracanthus in Cactography 5. 1926
is new combination for Echinocactus heteracanthus in Allg. Gartenzeitung 13: 345. 1845
Efossus heteracanthus in Cactography 5. 1926
Taxon for this name