Pediocactus spinosior (Engelm.) Halda in Acta Mus. Richnov., Sect. Nat., 5(1): 16. 1998

is new combination for Echinocactus whipplei var. spinosior Engelm. in Trans. Acad. Sci. St. Louis 2: 199. 1863

Taxon for this name