| Determined as: | Polygonaceae Persicaria amphibia (L.) S. F. Gray |
| Record formerly determined as: | Polygonum amphibium fo. natans |
| Collected by: | Hilbig, W.; Schamsran, 18.06.1974 |
| Flowering status: | flowering |
| Herbarium: | HAL Acc. No.: 40701 |
| Country: | Mongolia |
| Province: | Khovd |
| District: | Bulgan |
| Locality: | Westliche Mongolei. Bulgan Gol. Altwasser an Chaaz Bergen Richtung Jarantai |
| Coordinates: | geogr. Coord. 91.167 (lon) 46.105 (lat) |
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| Prec: | 10 km |