| Determined as: | Potamogetonaceae Potamogeton pusillus L. |
| Collected by: | Hilbig, W., 02.08.1981, Coll.No. bei 90/81 |
| Determined by: | Hilbig, W., 30.01.1984 |
| Flowering status: | flowering |
| Herbarium: | HAL Acc. No.: 44811 |
| Country: | Mongolia |
| Province: | Bulgan |
| Locality: | Zentrale Mongolei. westl. Ulan-Bator, an Trasse Dashinchilen - Zaamar, an Charuuchyn-gol-Brücke |
| Coordinates: | geogr. Coord. 103.879 (lon) 47.875 (lat) |
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| Prec: | 5 km |
| Habitat: | Flachwassertümpel |