| details |
Middle Eocene |
|
Wyoming |
Wodehouse,R.P. Tertiary pollen.1.Pollen of the living representatives of the Green River flora. |
1932 |
| details |
Middle Eocene |
|
Utah |
Wodehouse,R.P. Tertiary pollen.1.Pollen of the living representatives of the Green River flora. |
1932 |
| details |
Middle Eocene |
|
Colorado |
Wodehouse,R.P. Tertiary pollen.1.Pollen of the living representatives of the Green River flora. |
1932 |
| details |
Late Neogene |
|
USSR(Georgian SSR) |
Shatilova,I.I. Late Pliocene floral changes in the flora of Western Georgia as shown by spore-pollen analysis. |
1964 |
| details |
Early Miocene |
Middle Miocene |
USA(Pacific Northwest) |
Wolfe,J.A. Neogene floristic and vegetational history of the Pacific Northwest. |
1969 |
| details |
Late Miocene |
|
Alaska(Cook Inlet) |
Fradkina,A.F. et al. Late Oligocene and Miocene flora of the Aldan Basin and its comparison with floras of North-East USSR and Alaska. (In: Cenozoic Flora of Siberia According to Palynological Data. V.N.Sacks and V.S.Volkova, editors) |
1971 |