| Collector | Geesink, R. |
| Number | 5631 |
| Collected with | Phanichapol,D. & Santisuk,T. |
| Country | Thailand |
| Subpart | Tak |
| County | |
| Locality | Near Doi Ka. Disturbed Dipterocarp forest along road |
| Coordinates | 17° 30' N 98° 45' E |
| Minimum elevation (m) | 700 |
| Maximum elevation (m) | 800 |
| Start date | 1973/05/31 |
| End date | 1973/05/31 |
| Family | Poaceae |
| Identification | Heteropogon contortus (L.)P. Beauv. ex Roem. & Schult. |
| Determined by | Nanakorn,W.(1990). T.G.F.Curtis (TCD)2011 |
| Identification qualifier | |
| Field notes | Awns brown |
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