| Collector | Larsen, K. |
| Number | 42441 |
| Collected with | S. S. Larsen, C. Niyomdham, W. Ueachirakan & P. Sirirugsa. |
| Country | Thailand |
| Subpart | SONGKHLA |
| County | |
| Locality | Khao Nam Kang, Na Thawe S of Chana |
| Coordinates | 6° 45' N 100° 43' E |
| Minimum elevation (m) | 100 |
| Maximum elevation (m) | 150 |
| Start date | 1991/10/20 |
| End date | 1991/10/20 |
| Family | Orchidaceae |
| Identification | Malleola sylvestris (Ridl.)Garay |
| Determined by | Seidenfaden, G. (C), 1995. |
| Identification qualifier | |
| Field notes | Large stand along trail, Shoots over open, rocky ground covered with moss. Along stream Difficult to identify without flowers, could possibly be Malleola inspectifera, but there is possibly a septum in spur. Seidenfaden, G. (C), 1992. |
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