| Collector | La-ongsri, W. |
| Number | 2521 |
| Collected with | M. Norsaengsri, P. Panyachan, P. Tatiya & S. Satatha |
| Country | Thailand |
| Subpart | Phayao |
| County | |
| Locality | Phu Sang Waterfall, Phu Sang National Park Phu Sang District |
| Coordinates | |
| Minimum elevation (m) | 0 |
| Maximum elevation (m) | 0 |
| Start date | 2012/12/12 |
| End date | 2012/12/12 |
| Family | Euphorbiaceae |
| Identification | Megistostigma burmanicum (Kurz)Airy Shaw |
| Determined by | |
| Identification qualifier | |
| Field notes | Climber. Fruit green with white hair. |
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