| Determined as: | Polygonaceae Rheum nanum Siev. |
| Collected by: | Knapp, H.-D., 07.07.1978, Coll.No. 508/78 |
| Determined by: | Knapp, H.-D. |
| Flowering status: | vegetative |
| Herbarium: | HAL Acc. No.: 49354 |
| Country: | Mongolia |
| Province: | Bayankhongor |
| District: | Zhinst |
| Locality: | Wüstensteppenzone ca. 90 km S Bajan-Chongor |
| Coordinates: | geogr. Coord. 100.59 (lon) 45.457 (lat) |
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| Prec: | 10 km |
| Habitat: | Strauch-Halbwüste auf Sand |