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To
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Geolocation
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Author - title
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Year
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| details | Devonian | Romania | Beju,D. The present stage of the palynological researches concerning the Antecretaceous of Romania. | 1971 | |
| details | Devonian | Romania | Givulescu,R. Fossil flora of Roumania. Second Supplement, Second Part. | 1974 | |
| original | Chesterian | Kentucky | Hoffmeister,W.S. et al. Mississippian plant spores from the Hardinsburg Formation of Illinois and Kentucky. | 1955 |