| Determined as: | Convolvulaceae Convolvulus ammannii Desr. |
| Collected by: | Schnittler, M., 31.07.2003, Coll.No. 20247 |
| Determined by: | Schnittler, M., 2003 |
| Confirmed by: | Rilke, S., 13.1.2012 |
| Flowering status: | flowering |
| Herbarium: | GFW |
| Country: | Mongolia |
| Province: | Khovd |
| District: | Dörgön |
| Geogr. Region: | Great Lake Basin |
| Next important location: | 10 km SW Seer, between lakes Khar-Us-Nuur and Dalay-Nuur |
| Locality: | Seer, northern tip of Agvash-Uul island, plain at the NE-end of the zagon hills |
| Prec: | 250 m |
| Altitude: | 1227 ± 25 m |
| Habitat: | Caragana-dominated shrub desert, loose sands blown over red basalt rocks |