Pediocactus parviflorus subsp. havasupaiensis (Clover) Halda in Acta Mus. Richnov., Sect. Nat., 5: 15. 1998
Pediocactus parviflorus subsp. havasupaiensis in Acta Mus. Richnov., Sect. Nat., 5: 15. 1998
is new combination for Sclerocactus havasupaiensis in Amer. J. Bot. 29(2): 172. 1942