| Collector | Larsen, K. |
| Number | 45507 |
| Collected with | Supee S. Larsen, Christian Tange, Robbin Moran, T. Niyomdham & P. Puudjaa |
| Country | Thailand |
| Subpart | SONGKHLA |
| County | |
| Locality | Khao Chum Sak at Hat Yai. Secondary forest from dry to humid location |
| Coordinates | 7° 0' N 100° 20' E |
| Minimum elevation (m) | 250 |
| Maximum elevation (m) | 250 |
| Start date | 1995/08/12 |
| End date | 1995/08/12 |
| Family | Cyperaceae |
| Identification | Cyperus trialatus (Boeck)Kern |
| Determined by | Simpson, D.A. (K), 1998. |
| Identification qualifier | |
| Field notes | In gravel in margin of forest |
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