| Collector | Geesink, R. |
| Number | 7560 |
| Collected with | P. Hiepko & C. Phengklai |
| Country | Thailand |
| Subpart | Ranong |
| County | |
| Locality | N. Thailand, Khlong Naka. Rainforest along sandstone river. Near and in streams |
| Coordinates | 9° 45' N 98° 40' E |
| Minimum elevation (m) | 0 |
| Maximum elevation (m) | 0 |
| Start date | 1974/02/24 |
| End date | 1974/02/24 |
| Family | Asteraceae |
| Identification | Adenostemma lavenia var. angustifolium (Clarke)Koster |
| Determined by | Hiroshige Koyama |
| Identification qualifier | |
| Field notes | Central and ray-flowers white |
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