| Collector | Larsen, K. |
| Number | 31931 |
| Collected with | Supee S. Larsen, I. Nielsen & T. Santisuk |
| Country | Thailand |
| Subpart | South-Eastern |
| County | |
| Locality | Foothill of Khao Soi Dao 40 km N of Chanthaburi |
| Coordinates | 13° 0' N 102° 10' E |
| Minimum elevation (m) | 100 |
| Maximum elevation (m) | 200 |
| Start date | 1972/08/24 |
| End date | 1972/08/24 |
| Family | Orchidaceae |
| Identification | Habenaria medioflexa Turrill |
| Determined by | Gunnar Seidenfaden |
| Identification qualifier | |
| Field notes | |
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