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Geolocation
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Author - title
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Year
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| details | Early Reuverian | W.Germany(N.Rhine) | Leschik,G. The origins of the Brown Coal of the Wetterau and its Micro-and Macroflora. | 1956 | |
| details | Reuverian | W.Germany(N.Rhine) | Leschik,G. Pollen and spore flora of the main Brown Coal Seam of the Wetterau. | 1953 | |
| details | Tertiary | W.Germany(Rhineland) | Thiergart,F. Pollen floras of the Tertiary Brown Coals of the Lower Rhine Valley. | 1950 | |
| details | Late Neogene | Yugoslavia | Pantic,N.K. et al. Supplement to the knowledge of the Pliocene flora of Macedonia. | 1956 |