CCDB → Angiosperms → Cactaceae → Pediocactus
| Taxon name | Status | Median (n) |
| Pediocactus paradinei B. W. Benson | Accepted | 11 |
| Pediocactus sileri (Engelm.) L. D. Benson | Accepted | 11 |
| Pediocactus peeblesianus subsp. fickeiseniae L. D. Benson | Synonym of Pediocactus peeblesianus subsp. fickeiseniae (Backeb.) Lüthy | 11 |
| Pediocactus simpsonii var. robustior (J. M. Coult.) L. D. Benson | Synonym of Pediocactus simpsonii (Engelm.) Britton & Rose | 11 |