Urtica dioica
- Citations total:
- 3
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| details | Early Pontian | USSR(Ukrainian SSR) | Dorofeev,P.I. On the discovery of a Pontian flora in the Ukraine | 1955 | |
| details | Late Neogene | USSR(Siberia) | Volkova,V.S. et al. Problems of Mesozoic and Cenozoic palynology of Siberia. | 1971 | |
| details | Late Miocene | Early Pliocene | USSR(Siberia) | Volkova,V.S. Stratigraphy and history of formation of vegetation of West Siberia in Late Cenozoic time. | 1977 |