| details |
Early Pliocene |
Middle Pliocene |
China(Tibet) |
Cao,L. Pliocene palynological flora in Disong of Burang, Xizang, (Tibet). |
1982 |
| details |
Late Miocene |
Early Quaternary |
China(Yunnan) |
Li,W.-Y. et al. A palynological investigation on the Late Tertiary and Early Quaternary and its significance in the paleogeographical study in Central Yunnan. |
1978 |
| details |
Eocene |
|
Tennessee |
Manchester,S.R. Early history of the Juglandaceae. (In: Woody Plants: Evolution and Distribution since the Tertiary. F.Ehrendorfer, editors) |
1989 |