Astereae
- Citations total:
- 2
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Author - title
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| details | Early Miocene | Middle Miocene | California | Barnett,J. Palynology and paleoecology of the Tertiary Weaverville Formation, Northwestern California, USA. | 1989 |
| details | Miocene | USA(Pacific Northwest) | Gray,J. Northwest American Tertiary palynology. (In: Ancient Pacific Floras. The Pollen Story. L.M. Cranwell, editor) | 1964 |