| Collector | Laegaard, S. |
| Number | 21802B |
| Collected with | M. Norsangsri, P. Pornpongrungrueng & S. Khoomrathok |
| Country | Thailand |
| Subpart | MAHA SARAKHAM |
| County | |
| Locality | Km 21 on road 208 Maha Sarakham - Khon Kaen, old rice paddies given up because of being too salty |
| Coordinates | 16° 12' N 103° 7' E |
| Minimum elevation (m) | 175 |
| Maximum elevation (m) | 175 |
| Start date | 2001/10/26 |
| End date | 2001/10/26 |
| Family | Poaceae |
| Identification | Ischaemum rugosum Salisb. |
| Determined by | Veldkamp, J. 2003, on dubl. |
| Identification qualifier | |
| Field notes | Perennial tussock |
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