Thelocactus tulensis subsp. kupcaki Halda & Sladk. in Acta Mus. Richnov., Sect. Nat., 7: 40. 2000 Thelocactus tulensis subsp. kupcaki Halda & Sladk. in Acta Mus. Richnov., Sect. Nat., 7: 40. 2000Taxon for this nameThelocactus tulensis subsp. kupcaki Halda & Sladk.
