| Collector | Larsen, K. |
| Number | 46201 |
| Collected with | Supee S. Larsen, Christian Tange & Duangchai Sookchaloem |
| Country | Thailand |
| Subpart | NAN |
| County | |
| Locality | Amphoe Tha Wang Pha: Doi Tiu. Evergreen hillside forest dominated by Lauraceae and Fagaceae |
| Coordinates | 19° 4' N 100° 40' E |
| Minimum elevation (m) | 800 |
| Maximum elevation (m) | 1000 |
| Start date | 1995/09/08 |
| End date | 1995/09/08 |
| Family | Orchidaceae |
| Identification | Arachnis labrosa Reichb.f. |
| Determined by | Seidenfaden, G. (C), 1997. |
| Identification qualifier | |
| Field notes | Epiphytic on fallen branch. Flowers greenish-yellow, purplish spotted, labellum purple at base. Alc |