Polemonium sp
- Citations total:
- 3
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Author - title
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| details | Early Pliocene | Middle Pliocene | China(Tibet) | Cao,L. Pliocene palynological flora in Disong of Burang, Xizang, (Tibet). | 1982 |
| original | Late Miocene | Pleistocene | Canada(Arctic) | McNeil,D.H. et al. Geology and biostratigraphy of the Dome Gulf et al.Ukalerk C-50 Well, Beaufort Sea | 1982 |
| details | Quaternary | Wyoming | Santucci,V.L. The Yellowstone Paleontological Survey. | 1998 |