| original |
Middle Eocene |
|
Tennessee |
Crepet,W.L. et al. Investigations of angiosperms from the Eocene of North America |
1977 |
| original |
Middle Eocene |
|
Tennessee |
Crepet,W.L. et al. Investigations of angiosperms from the Eocene of North America |
1977 |
| details |
Oligocene |
|
Texas |
Daghlian,C.P. et al. Investigations of Tertiary angiosperms: A new flora including Eominosoidea plumosa from the Oligocene of eastern Texas. |
1980 |
| details |
Middle Eocene |
|
Texas |
Crepet,W.L. Advanced (constant) insect pollination mechanisms. Pattern of evolution and implications vis-a-vis angiosperm diversity. |
1984 |
| details |
Oligocene |
|
Texas |
Kedves,M. Transmission electron microscopy of the fossil angiosperm exines. |
1990 |
| details |
Eocene |
|
USA |
Balme,B.E. Fossil in situ, spores and pollen grains: An annotated catalogue. |
1995 |