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Serra, Alberto. Untersuchungen 



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Setchell, William Albert. Some 



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41317 



Two new hypogaeous 



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A revision of the genus 



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41319 



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Notes on fossil plants from 



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On a collection of Permo- 



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The Jurassic plants from 



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 [8000 de\. 41325 



American fossil cycads. 



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Cretaceous ferns. [A 



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41328 



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 [8000 de\. 41330 



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