Azolla areolata
- Citations total:
- 3
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| details | Paleocene | Eocene | Canada(NWT) | Batten,D.J. et al. Catalog of Mesozoic and Tertiary megaspores | 1990 |
| details | Danian | Priabonian | Worldwide | Kovach,W.L. et al. Worldwide stratigraphic occurrences of Mesozoic and Tertiary megaspores. | 1989 |
| original | Paleocene | Eocene | Canada(NWT,Franklin) | Sweet,A.R. et al. Early Tertiary species of Azolla, subg., Azolla sect., Kremastospora, from Western Arctic, Canada. | 1976 |