- Author:
- Leopold,E.B.;MacGinitie,H.D.
- Year:
- 1972
- Title:
- Development and affinites of Tertiary floras in the Rocky Mountains
- Reference:
- Leopold,E.B. et al. (1972) Development and affinites of Tertiary floras in the Rocky Mountains Floristics and Paleofloristics of Asia and Eastern North America By Raham P. 147- 200
- Google Academy:
- try to search by title in english
| Genus | Species | Country(Region) | From | To |
|---|---|---|---|---|
| Ostrya | Ostrya | Colorado | Early Oligocene | |
| Carpinus | Carpinus | Colorado | Early Oligocene | |
| Alnus | Alnus japonica | Colorado | Early Oligocene | |
| Juglans | Juglans | Colorado | Early Oligocene | |
| Pterocarya | Pterocarya | Colorado | Early Oligocene | |
| Carya | Carya | Colorado | Early Oligocene | |
| Engelhardtia | Engelhardtia | Colorado | Early Oligocene | |
| Conzattia | Conzattia | Colorado | Early Oligocene | |
| Eucommia | Eucommia | Colorado | Early Oligocene | |
| Pinus | Pinus sp | Colorado | Oligocene | Miocene |
| Picea | Picea | Colorado | Oligocene | Miocene |
| Chenopodiaceae | Chenopodiaceae | Colorado | Oligocene | Miocene |
| Ambrosia | Ambrosia | Colorado | Oligocene | Miocene |
| Quercus | Quercus | Colorado | Oligocene | Miocene |
| Abies | Abies concolor | Colorado | Late Oligocene | Early Miocene |
| Abies | Abies bracteata | Colorado | Late Oligocene | Early Miocene |
| Abies | Abies lasiocarpa | Colorado | Late Oligocene | Early Miocene |