| Determined as: | Potamogetonaceae Potamogeton perfoliatus L. |
| Collected by: | Hilbig, W.; Schamsran, Z., 18.06.1974 |
| Determined by: | Uhlig, J., Jul 75 |
| Flowering status: | vegetative |
| Comments for presentation : | Uhlig: "densifolius-Form", Vgl. hierzu Bemerkungen zu Nr. 41648 |
| Herbarium: | HAL Acc. No.: 41684 |
| Country: | Mongolia |
| Province: | Khovd |
| District: | Bulgan |
| Locality: | Westliche Mongolei. Bulgan Gol-Tal am Wege von Bulgan nach Jarantai |
| Coordinates: | geogr. Coord. 91.286 (lon) 46.095 (lat) |
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| Prec: | 20 km |
| Habitat: | randliche Partie des Flusses |