Sclerocactus sileri (L.D.Benson) K.D.Heil & J.M.Porter in Haseltonia 2: 39. 1994 sec. Parfitt & Gibson 2003
- ≡Sclerocactus pubispinus var. sileri L.D.Benson, Cacti Ariz., ed. 3: 23. 1969 syn. sec. Parfitt & Gibson 2003
- ≡Pediocactus pubispinus subsp. sileri (L.D.Benson) Halda in Acta Mus. Richnov., Sect. Nat., 5: 16. 1998 syn. sec. ???