| details |
Nd |
|
Nd |
Rowley,J.R. In situ, pollen and spores in plant evolution. 14D -Exine origin, development and structure in Pteridophytes, Gymnosperms and angiosperms. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
| details |
Nd |
|
Nd |
Vasanthy,G. et al. The evolution of angiospermid pollen characteristics: Conjectures and Queries. (In: Proceeding of the Symposium on the Vistas in Indian Palaeobotany. K.P.Jain and R.S.Tiwari, editors) |
1990 |
| details |
Nd |
|
Nd |
Pocock,S.A.J. et al. Pollen of Circumpolles: An enigma or morphotrends showing evolutionary adaptation. |
1990 |
| details |
Paleocene |
|
Hungary |
Kedves,M. A complex study of plant microfossils of oil shale by LM, TEM and Thin Layer Chromatography. |
1986 |