| Collector | La-ongsri, W. |
| Number | 5485 |
| Collected with | P. PanyachaN P. Tatiya, S. Satata & S. Wongwan |
| Country | Thailand |
| Subpart | Kanchanaburi |
| County | |
| Locality | Si Sawat District, Chaloem Rattanakosin National Park, Than Lot Noi Cave |
| Coordinates | 14° 39' 58.94'' N 99° 18' 17.34'' E |
| Minimum elevation (m) | 365 |
| Maximum elevation (m) | 365 |
| Start date | 2018/01/31 |
| End date | 2018/01/31 |
| Family | Poaceae |
| Identification | Thyrsostachys siamensis Gamble |
| Determined by | |
| Identification qualifier | |
| Field notes | Plant on limestone hill in mixed-deciduous forest. |
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