Liriodendron tulipiferoides
- Citations total:
- 2
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| details | Early Oligocene | Middle Oligocene | USSR(Siberia) | Lyubomirova,K.A. The vegetation of northwest Siberia in the Late Paleogene. (In: Palynology in Petroleum Geology. N.M.Ivanova, editor) | 1971 |
| original | Oligocene | USSR(WSL) | Lyubomirova,K.A. Fossil pollen of Magnoliaceae and its significance for stratigraphy and paleofloristics of Oligocene of Western Siberia. | 1973 |