| Collector | Thammarong, W. |
| Number | 3773 |
| Collected with | S. Rakarcha, C. Doungdang, M. Tabut |
| Country | Thailand |
| Subpart | Mae Hong Son |
| County | |
| Locality | Tham Chak To, Mok Cham Pae, Mueang Mae Hong Son district |
| Coordinates | |
| Minimum elevation (m) | 390 |
| Maximum elevation (m) | 390 |
| Start date | 2022/08/09 |
| End date | 2022/08/09 |
| Family | Balsaminaceae |
| Identification | Impatiens doitungensis Triboun & Sonsupab |
| Determined by | |
| Identification qualifier | |
| Field notes | Ecology: deciduous dipterocarp forest with limestone. Herb near cave. Flower purple. |