| Determined as: | Polygonaceae Persicaria hydropiper (L.) Spach |
| Photo by: | A. Zemmrich, 26.08.2007 |
| Determined by: | Schnittler, M.; Günther, K.-F. |
| Country: | Mongolia |
| Province: | Khovd |
| District: | Buyant |
| Geogr. Region: | Great Lake Basin |
| Locality: | Buyant river valley at outskirts of Khovd city, turist camp with yurtes |
| Habitat: | mudbanks and shallow water of the Buyant river |