Azolla polyancyra
- Citations total:
- 3
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| original | Late Cretaceous | Argentina | Stough,J.B. New Late Cretaceous palynomorphs from Southern South America. | 1968 | |
| details | Late Cretaceous | North Dakota | Hall,F.W. Notes on fossil Salviniaceae. | 1969 | |
| details | Late Cretaceous | Chile | Srivastava,S.K. Cretaceous spore-pollen floras | 1978 |