- Author:
- Gray,J.
- Year:
- 1956
- Title:
- Miocene pollen floras from Oregon.
- Reference:
- Gray,J. (1956) Miocene pollen floras from Oregon. Geological Society of America Bulletin Vol. 67 # 12 P. 1701- 1701
- Google Academy:
- try to search by title in english
| Genus | Species | Country(Region) | From | To |
|---|---|---|---|---|
| Tetraedron | Tetraedron | Oregon | Middle Miocene | Late Miocene |
| Tilia | Tilia | Oregon | Middle Miocene | Late Miocene |
| Tsuga | Tsuga | Oregon | Middle Miocene | Late Miocene |
| Ulmaceae | Ulmaceae | Oregon | Middle Miocene | Late Miocene |