| Collector | Madsen, J. E. |
| Number | 3337 |
| Collected with | A. Goudiaby |
| Country | Senegal |
| Subpart | TAMBACOUNDA |
| County | |
| Locality | Parc National du Niokolo Koba. Rd. Dar Salam - Simenti, km 11. Border of seasonal water hole in area with abandoned fields. |
| Coordinates | 13° 10' N 13° 12' W |
| Minimum elevation (m) | 60 |
| Maximum elevation (m) | 60 |
| Start date | 1994/09/26 |
| End date | 1994/09/26 |
| Family | Alismataceae |
| Identification | Sagittaria guayanensis H.B. & Kunth. |
| Determined by | Madsen, J. (AAU), 1997. |
| Identification qualifier | |
| Field notes | Aquatic herb. Tepals white. |