Pediocactus warnockii (L.D.Benson) Halda in Acta Mus. Richnov., Sect. Nat., 5: 26. 1998 Pediocactus warnockii (L.D.Benson) Halda in Acta Mus. Richnov., Sect. Nat., 5: 26. 1998Taxon for this namePediocactus warnockii (L.D.Benson) Halda