| Name | From | To | Age range |
|---|---|---|---|
| Ephedra minimus | Middle Eocene | Late Eocene |
|
| Ephedra monostachya | Early Oligocene | Early Oligocene |
|
| Ephedra multipartina | Maastrichtian | Early Oligocene |
|
| Ephedra multipartita | Cretaceous | Miocene |
|
| Ephedra nevadensis | Claiborne | Early Pleistocene |
|
| Ephedra notensis | Early Cretaceous | Mangapanian |
|
| Ephedra orientale | Oligocene | Oligocene |
|
| Ephedra ovaliformis | Barremian | Barremian |
|
| Ephedra pachyclada | Recent | Recent |
|
| Ephedra papaveraceae | Late Eocene | Late Eocene |
|
| Ephedra pedunculata | Recent | Recent |
|
| Ephedra penninervia | Late Eocene | Oligocene |
|
| Ephedra prezewalskii | Early Pliocene | Pleistocene |
|
| Ephedra prolongata | Early Hauterivian | Late Hauterivian |
|
| Ephedra przewalskii | Middle Oligocene | Middle Oligocene |
|
| Ephedra reedii | Recent | Recent |
|
| Ephedra scoparia | Late Eocene | Late Eocene |
|