| Collector | Larsen, K. |
| Number | 44251 |
| Collected with | Supee S. Larsen, Chr. T. Norgaard, K. Pharsen, P. Puudjaa, and W. Uerchirakan |
| Country | Thailand |
| Subpart | CHACHOENGSAO |
| County | |
| Locality | Khao Tak Groep. Trail from the north slope to the top: |
| Coordinates | 13° 20' N 101° 52' E |
| Minimum elevation (m) | 150 |
| Maximum elevation (m) | 600 |
| Start date | 1993/11/06 |
| End date | 1993/11/06 |
| Family | Pteridaceae |
| Identification | Ceratopteris thalictroides (L.) Brongn. |
| Determined by | |
| Identification qualifier | |
| Field notes | In stagnant water near waterfall. 350 m |