| Determined as: | Potamogetonaceae Potamogeton praelongus Wulf |
| Collected by: | Hilbig, W., 31.07.1981, Coll.No. bei 77/81 |
| Determined by: | Hilbig, W., 12.01.1982 |
| Flowering status: | flowering |
| Remarks written on herbar label: | wie perfol x crispus, W. Hilbig |
| Herbarium: | HAL Acc. No.: 50458 |
| herbar scan |  |
| Country: | Mongolia |
| Province: | Övörkhangay |
| District: | Kharkhorin |
| Locality: | Zentrale Mongolei. Ostchangai, östl. Charchorin |
| Coordinates: | geogr. Coord. 102.982 (lon) 47.197 (lat) |
| show in map | |
| Prec: | 20 km |
| Habitat: | Bewässerungskanal |