| Collector | Larsen, K. |
| Number | 45392B |
| Collected with | Supee S. Larsen, Christian Tange, Robbin Moran & P. Puudjaa |
| Country | Thailand |
| Subpart | PRACHUAP KHIRI KHAN |
| County | |
| Locality | Kaeng Kra Chan Nat. Park, southern section. Pa Lao U. Evergreen forest along Pran Buri river. Limestone |
| Coordinates | 12° 32' N 99° 33' E |
| Minimum elevation (m) | 250 |
| Maximum elevation (m) | 250 |
| Start date | 1995/08/04 |
| End date | 1995/08/04 |
| Family | Rubiaceae |
| Identification | Argostemma tavoyanum Wall. |
| Determined by | Sridith, K. (AAU), 2003. |
| Identification qualifier | |
| Field notes | Common on boulders and along stream. Alc. |