Azolla rossica
- Citations total:
- 3
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| details | Toarcian | Aquitanian | Worldwide | Kovach,W.L. et al. Worldwide stratigraphic occurrences of Mesozoic and Tertiary megaspores. | 1989 |
| details | Early Miocene | Czechoslovakia(Bohemia) | Buzek,C. et al. Azolla remains from the Lower Miocene of the North-Bohemian Bas Czechoslovakia | 1988 | |
| details | Middle Miocene | USSR(Siberia) | Batten,D.J. et al. Catalog of Mesozoic and Tertiary megaspores | 1990 |