| Collector | Nielsen, I.C. |
| Number | 1781 |
| Collected with | R. Pooma, N. Koonkhunyhod, M. Poopath |
| Country | Thailand |
| Subpart | Chiang Mai |
| County | |
| Locality | Doi Inthanon Nation Park, 7 km below Wachiratan Waterfall |
| Coordinates | 18° 30' N 98° 30' E |
| Minimum elevation (m) | 400 |
| Maximum elevation (m) | 400 |
| Start date | 2004/08/19 |
| End date | 2004/08/19 |
| Family | Polygalaceae |
| Identification | Polygala |
| Determined by | |
| Identification qualifier | |
| Field notes | Secondary dry Dipterocarp Forest on Shale. Erect herb in riverbed; petals bright yellow |
This record