Alnus heterodonta is an extinct species of alder from the early Oligocene Bridge Creek floras of Central Oregon[1]
| Alnus heterodonta Temporal range:
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|---|---|
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| Reconstruction of Alnus heterodonta | |
Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Rosids |
| Order: | Fagales |
| Family: | Betulaceae |
| Genus: | Alnus |
| Species: | †A. heterodonta
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| Binomial name | |
| †Alnus heterodonta (Newberry) Meyer & Manchester
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References
edit- ^ Retallack G.J. (1996). "Reconstructions of Eocene and Oligocene plants and animals of central Oregon". Oregon Geology. 58 (3): 51–59.
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