| Determined as: | Potamogetonaceae Potamogeton pusillus L. |
| Collected by: | Hilbig, W., 30.07.1977 |
| Flowering status: | vegetative |
| Herbarium: | HAL Acc. No.: 44820 |
| Country: | Mongolia |
| Province: | Bayan-Ölgiy |
| District: | Altantsögts |
| Locality: | Westliche Mongolei. Zambagaraw, Olon nuur |
| Coordinates: | geogr. Coord. 90.609 (lon) 48.506 (lat) |
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| Prec: | 10 km |
| Habitat: | Weiher |