Osmunda primaria
- Citations total:
- 3
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| details | Miocene | USSR(Urals) | Kupriyanova,L.A. The palynological data on the Miocene Lignite flora of Lake Smolino in the suburbs of Chelyabinsk. | 1962 | |
| details | Middle Eocene | Late Eocene | Mississippi | Frederiksen,N.O. Sporomorphs from the Jackson Group, (Upper Eocene) and adjacent strata of Mississippi and western Alabama. | 1980 |
| details | Middle Eocene | Late Eocene | Alabama | Frederiksen,N.O. Sporomorphs from the Jackson Group, (Upper Eocene) and adjacent strata of Mississippi and western Alabama. | 1980 |