Pediocactus simpsonii var. despainii (S.L.Welsh & Goodrich) Halda in Acta Mus. Richnov., Sect. Nat., 5: 14. 1998
Pediocactus simpsonii var. despainii in Acta Mus. Richnov., Sect. Nat., 5: 14. 1998
is new combination for Pediocactus despainii in Great Basin Naturalist 40: 83-86. 1980