| Collector | Nielsen, I.C. |
| Number | 1890 |
| Collected with | Somran Suddee; N. Hemrath & J. Rithipheth |
| Country | Thailand |
| Subpart | Kanchanaburi |
| County | |
| Locality | Thong Pha Phum National Park, Summit Trail behind Park HQ |
| Coordinates | 14° 40' N 98° 30' E |
| Minimum elevation (m) | 900 |
| Maximum elevation (m) | 900 |
| Start date | 2004/08/23 |
| End date | 2004/08/23 |
| Family | Orchidaceae |
| Identification | Spiranthes |
| Determined by | |
| Identification qualifier | |
| Field notes | Hill evergreen forest with bamboo. Ground orchid. Flowers white, gynoecium green |