| Determined as: | Polygonaceae Rumex aquaticus L. |
| Collected by: | Hilbig, W.; Bumschaa, D. u.a., 16.07.1977 |
| Confirmed by: | Rechinger, K. H., 1990 |
| Flowering status: | flowering |
| Remarks written on herbar label: | Rechinger: R. aquaticus subsp. protractus Rech. f. |
| Herbarium: | HAL Acc. No.: 50343 |
| Country: | Mongolia |
| Province: | Bulgan |
| District: | Khutag-Öndör |
| Locality: | Nördliche Mongolei: Weg von Bulgan nach Mörön. Unt Sum. Gebiet der Burengin nuuruu |
| Coordinates: | geogr. Coord. 102.952 (lon) 49.091 (lat) |
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| Prec: | 25 km |
| Habitat: | feuchte Wiese |