| Collector | Madsen, J. E. |
| Number | 4180 |
| 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 | Elatinaceae |
| Identification | Bergia suffruticosa (Del.) Fenzl. |
| Determined by | J. E. Madsen (DAKAR), 1996 |
| Identification qualifier | |
| Field notes | Herb, 40 cm high, woody at base. Flowers white. In swampy grass-land. |