| Collector | Madsen, J. E. |
| Number | 4591 |
| Collected with | |
| Country | Senegal |
| Subpart | TAMBACOUNDA |
| County | |
| Locality | Parc National du Niokolo Koba. Road Dar Salam - Niokolo-Koba camp site, km 29. Border of muddy waterhole and disturbed surroundings. |
| Coordinates | 13° 10' N 12° 58' W |
| Minimum elevation (m) | 50 |
| Maximum elevation (m) | 50 |
| Start date | 1995/11/11 |
| End date | 1995/11/11 |
| Family | Cyperaceae |
| Identification | Cyperus reduncus Hochst. ex Boeck. |
| Determined by | Laegaard, S. (AAU), 2001. |
| Identification qualifier | |
| Field notes | |