Pediocactus conoideus (DC.) Halda in Acta Mus. Richnov., Sect. Nat., 5: 23. 1998 Pediocactus conoideus (DC.) Halda in Acta Mus. Richnov., Sect. Nat., 5: 23. 1998is new combination for Mammillaria conoidea DC. in Mém. Mus. Hist. Nat. 17: 112. 1828Taxon for this namePediocactus conoideus (DC.) Halda