| Determined as: | Polygonaceae Aconogonon angustifolium (Pall.) Hara |
| Record formerly determined as: | Polygonum angustifolium Pall. |
| Collected by: | Danert, S.; Davazhamc, C.; Hanelt, P.; Sanchir, C., 10.06.1964, Coll.No. 3144 |
| Confirmed by: | Zemmrich, A., June 2008 |
| Flowering status: | flowering |
| Herbarium: | GAT Acc. No.: 6044 |
| herbar scan |  |
| Country: | Mongolia |
| Province: | Arkhangay |
| District: | Ögiynuur |
| Geogr. Region: | Khangay |
| Locality: | 20 km southwest of district centre Zegstey (formerly Ögiynuur), Aimak Archangaj, Somon Ugij, 20 km SW v. Somon-Zentrum;
Gebirgssteppenhang, am Pass, steiniger Grat |
| Habitat: | Mountain steppe slope, stony ridge near mountain pass |