| Scientific Name | Section | Common Name | Picture & Info |
|---|
| Pediocactus bradyi L. Benson | Rhytidospermae Hochstätter | Marble Canyon Cactus | Picture & Info |
|---|
| Pediocactus bradyi ssp.despainii (Welsh & Goodrich) Hochstätter | San Rafael Swell Cactus, Despain's Cactus | Picture & Info |
|---|
| Pediocactus bradyi ssp. winklerorum (Heil) Hochstätter | Winkler's Cactus | Picture & Info |
|---|
| Pediocactus knowltonii L. Benson | Pediocactus | Knowlton's Cactus | Picture & Info |
|---|
| Pediocactus nigrispinus (Hochstätter) Hochstätter | Pediocactus | Columbia River Basin Cactus | Picture & Info |
|---|
| Pediocactus nigrispinus ssp. beastonii (Hochstätter) Hochstätter | Alvord Desert Cactus, Beaston's Cactus | Picture & Info |
|---|
| Pediocactus nigrispinus ssp. indranus (Hochstätter) Hochstätter | Salmon River Cactus, Indra's Cactus | Picture & Info |
|---|
| Pediocactus nigrispinus ssp. puebloensis Hochstätter | Pueblo Mountain's Cactus | Picture & Info |
|---|
| Pediocactus paradinei B.W. Benson | Pediocactus | Paradine's House Rock Valley Cactus | Picture & Info |
|---|
| Pediocactus sileri (Engelmann) L. Benson | Rhytidospermae Hochstätter | Gypsum Cactus | Picture & Info |
|---|
| Pediocactus simpsonii (Engelmann) Britton & Rose | Pediocactus | Rocky Mountains Cactus | Picture & Info |
|---|
| Pediocactus simpsonii ssp. bensonii (Engelmann) Hochstätter | Benson's Cactus, Tennisball Cactus | Picture & Info |
|---|
| Pediocactus simpsonii ssp. idahoensis Hochstätter | Idaho Cactus | Picture & Info |
|---|
| Pediocactus simpsonii ssp. robustior (Coulter) Hochstätter | Battle Mountain Cactus | Picture & Info |
|---|
| Pediocactus simpsonii fa. acklinii Hochstätter | Acklin's Cactus | Picture & Info |
|---|
| Pediocactus simpsonii fa. campestris Hochstätter | Praerie Cactus | Picture & Info |
|---|
| Pediocactus simpsonii fa. dinosauriensis Hochstätter | Dinosaur Cactus | Picture & Info |
|---|
| Pediocactus simpsonii fa. flaminggorgensis Hochstätter | Flaming Gorge Cactus | Picture & Info |
|---|
| Pediocactus simpsonii fa. flinspachii Hochstätter | Flinspach's Cactus | Picture & Info |
|---|
| Pediocactus simpsonii fa. kuenzleri Hochstätter | Kuenzler's Cactus | Picture & Info |
|---|
| Pediocactus simpsonii fa. montanensis Hochstätter | Montana Cactus | Picture & Info |
|---|
| Pediocactus simpsonii fa. muehlii Hochstätter | Muehl's Cactus | Picture & Info |
|---|
| Pediocactus simpsonii fa. sandiamontana Hochstätter | Sandia Mountains Cactus | Picture & Info |
|---|
