| Collector | Madsen, J. E. |
| Number | 4175 |
| Collected with | |
| Country | Senegal |
| Subpart | SAINT-LOUIS |
| County | |
| Locality | Km 27 north of Louga. Shallow water hole surrounded by dry plateau with grassland. |
| Coordinates | 15° 45' N 15° 59' W |
| Minimum elevation (m) | 30 |
| Maximum elevation (m) | 30 |
| Start date | 1995/09/09 |
| End date | 1995/09/09 |
| Family | Cyperaceae |
| Identification | Schoenoplectus senegalensis (Hochst. ex Steud.)Palla ex J.Raynal |
| Determined by | J. E. Madsen (DAKAR), 1995 |
| Identification qualifier | |
| Field notes | In 10 cm deep waters. |