| Collector | Nielsen, I.C. |
| Number | 1786 |
| Collected with | R. Pooma, N. Koonkhunyhod, M. Poopath |
| Country | Thailand |
| Subpart | Chiang Rai |
| County | |
| Locality | Khun Chae National Park |
| Coordinates | 19° 10' N 99° 20' E |
| Minimum elevation (m) | 900 |
| Maximum elevation (m) | 1000 |
| Start date | 2004/08/19 |
| End date | 2004/08/19 |
| Family | Apiaceae |
| Identification | Pimpinella cambodgiana H.Boiss. |
| Determined by | Larsen,K. |
| Identification qualifier | |
| Field notes | Mixed deciduous Dipterocarp forest. Nature trail on ridge and bamboo forest at NP HQ.Ascending herb with thin flexuoux stem. Petals white |