| Collector | Larsen, K. |
| Number | 44558 |
| Collected with | Supee S. Larsen, Chr. T. Norgaard, K. Pharsen, P. Puudjaa, and W. Uerchirakan |
| Country | Thailand |
| Subpart | NAN |
| County | |
| Locality | Amphoe Chiang Klang: Tard Man Waterfall at Road 1097. Evergreen galleri forest along stream and waterfall, surrounded by disturbed, dry deciduous dipterocarp forest, dominated by bamboo. |
| Coordinates | 19° 19' N 100° 48' E |
| Minimum elevation (m) | 350 |
| Maximum elevation (m) | 350 |
| Start date | 1993/11/18 |
| End date | 1993/11/18 |
| Family | Polygonaceae |
| Identification | Persicaria hydropiper (L.) Spach |
| Determined by | C. Kantachot |
| Identification qualifier | |
| Field notes | Flowers red |
This record