Echinocactus polycephalus var. polycephalus Echinocactus polycephalus var. polycephalusis new combination for Echinocactus polycephalus Engelm. & J.M.Bigelow, Pacif. Railr. Rep., Bot. 4: 31. 1857Taxon for this nameEchinocactus polycephalus var. polycephalus
