| Determined as: | Potamogetonaceae Potamogeton vaginatus Turcz. |
| Collected by: | Knapp, H.-D., 23.06.1978, Coll.No. 140/78 |
| Determined by: | Sanchir |
| Flowering status: | flowering |
| Herbarium: | GFW Acc. No.: 42134 |
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| Country: | Mongolia |
| Province: | Övörkhangay |
| Locality: | Saryngol, ca. 40 km NO Chudzhžirt, Steppenzone |
| Habitat: | im Fluß |