Thelocactus buekii (Klein) Britton & Rose subsp. buekii, Cactaceae (Britton & Rose) 4: 8. 1923 sec. Hunt & al. 2006
- =Thelocactus tulensis var. buekii (Klein) E.F. Anderson in Bradleya 5: 65. 1987 syn. sec. Anderson 2001
- =Thelocactus tulensis subsp. buekii (Klein) N.P. Taylor in Cactaceae Consensus Init. 5: 14. 1998 syn. sec. Hunt & al. 2006
- =Thelocactus buekii subsp. jarmilae Halda & Horácek in Acta Mus. Richnov., Sect. Nat., 7: 38. 2000 syn. sec. Guzmán & al. 2003
- =Thelocactus santaclarensis Halda, Kupcák & Sladk. in Acta Mus. Richnov., Sect. Nat., 7: 39. 2000 syn. sec. Mosco & Zanovello 2000