Sclerocactus pubispinus var. sileri L.D.Benson, Cacti Ariz., ed. 3: 23. 1969
Sclerocactus pubispinus var. sileri, Cacti Ariz., ed. 3: 23. 1969
is basionym for Sclerocactus sileri in Haseltonia 2: 39. 1994
is basionym for Pediocactus pubispinus subsp. sileri in Acta Mus. Richnov., Sect. Nat., 5: 16. 1998