Thelocactus santaclarensis Halda, Kupčák & Sladk. in Acta Mus. Richnov., Sect. Nat., 7: 39. 2000 Thelocactus santaclarensis Halda, Kupčák & Sladk. in Acta Mus. Richnov., Sect. Nat., 7: 39. 2000Taxon for this nameThelocactus santaclarensis Halda, Kupčák & Sladk.