| Collector | Larsen, K. |
| Number | 45385 |
| Collected with | Supee S. Larsen, Christian Tange, Robbin Moran & P. Puudjaa |
| Country | Thailand |
| Subpart | PHETCHABURI |
| County | |
| Locality | Kaeng Kra Chan Nat. Park. Limestone area in the central part of the park. Khao Pa Karang. |
| Coordinates | 12° 46' N 99° 28' E |
| Minimum elevation (m) | 250 |
| Maximum elevation (m) | 300 |
| Start date | 1995/08/03 |
| End date | 1995/08/03 |
| Family | Najadaceae |
| Identification | Najas indica (Willd.) Cham. |
| Determined by | Yu Ito |
| Identification qualifier | cf. |
| Field notes | In lake on 50-100 cm depth, gravelly soil |
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