Polygonum hydropiper
- Citations total:
- 2
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| details | Miocene | Pleistocene | China(Kiangsu) | Zheng,Y.-H. et al. Neogene sporo-pollen grains from northern Jiangsu and South Yellow Sea Basin. | 1981 |
| details | Late Neogene | W.Germany(Schleswig) | Averdieck,F.R. Palynologic investigation of the Tertiary from Sylt. | 1971 |