Ariocarpus ×drabi Halda & Sladk. in Acta Mus. Richnov., Sect. Nat., 7: 33. 2000 Ariocarpus ×drabi Halda & Sladk. in Acta Mus. Richnov., Sect. Nat., 7: 33. 2000Taxon for this nameAriocarpus ×drabi Halda & Sladk. in Acta Mus. Richnov., Sect. Nat., 7: 33. 2000