| Collector | La-ongsri, W. |
| Number | 3398 |
| Collected with | P. Panyanchan, P. Tatiya |
| Country | Thailand |
| Subpart | Phayao |
| County | |
| Locality | Ban Huak, Phu Sang National Park Phu Sang District |
| Coordinates | |
| Minimum elevation (m) | 699 |
| Maximum elevation (m) | 699 |
| Start date | 2014/06/24 |
| End date | 2014/06/24 |
| Family | Rubiaceae |
| Identification | Ophiorrhiza pseudofasciculata I. Schanzer |
| Determined by | |
| Identification qualifier | |
| Field notes | Herb 20 cm high in evergreen forest. Flower white. |
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