Azolla elegans
- Citations total:
- 3
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| details | Danian | Thanetian | Worldwide | Kovach,W.L. et al. Worldwide stratigraphic occurrences of Mesozoic and Tertiary megaspores. | 1989 |
| details | Paleocene | Montana | Batten,D.J. et al. Catalog of Mesozoic and Tertiary megaspores | 1990 | |
| original | Paleocene | Montana | Jain,R.K. et al. A contribution to the Early Tertiary fossil record of the Salviniaceae | 1969 |