| Collector | Larsen, K. |
| Number | 41047 |
| Collected with | S. S. Larsen, A. S. Barfod, W. Nanakorn, W. Ueachirakan and P. Sirirugsa |
| Country | Thailand |
| Subpart | SONGKHLA |
| County | |
| Locality | Ton Nga Chang waterfall, 20 km W of Hat Yai |
| Coordinates | 7° 0' N 100° 10' E |
| Minimum elevation (m) | 100 |
| Maximum elevation (m) | 250 |
| Start date | 1990/11/01 |
| End date | 1990/11/01 |
| Family | Orchidaceae |
| Identification | Dendrobium crumenatum Sw. |
| Determined by | H.AE.Pedersen, l99l |
| Identification qualifier | |
| Field notes | "This specimen should always be cited as ""H.AE.Pedersen 41047"". Growing on moist rocks along the waterfall. Flowers white except for a yellow patch on labellum. " |