- 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 |
|---|---|---|---|---|
| Ulmus | Ulmus | Wyoming | Middle Pliocene | |
| Ulmus | Ulmus | Wyoming | Early Miocene | Middle Miocene |
| Ulmus | Ulmus | New Mexico | Late Eocene | |
| Ulmus | Ulmus | Colorado | Early Oligocene | |
| Ulmus | Ulmus | Colorado | Late Oligocene | Early Miocene |
| Ulmus | Ulmus | Montana | Late Oligocene | |
| Ulmus | Ulmus | Idaho | Late Pliocene | |
| Zelkova | Zelkova | North Dakota | Late Paleocene | Early Eocene |
| Zelkova | Zelkova | Wyoming | Middle Eocene | |
| Zelkova | Zelkova | Wyoming | Early Pliocene | |
| Zelkova | Zelkova | Wyoming | Middle Pliocene | |
| Zelkova | Zelkova | Wyoming | Early Miocene | Middle Miocene |
| Zelkova | Zelkova | New Mexico | Late Eocene | |
| Zelkova | Zelkova | Colorado | Early Oligocene | |
| Zelkova | Zelkova | Colorado | Late Oligocene | Early Miocene |
| Zelkova | Zelkova | Montana | Late Oligocene | |
| Zelkova | Zelkova | Idaho | Late Pliocene |