| Collector | Madsen, J. E. |
| Number | 5648 |
| Collected with | |
| Country | Burkina Faso |
| Subpart | OUDALAN |
| County | |
| Locality | Some km SW of Gorom Gorom. Moist grass-land and seasonally inundated waterholes with aquatic plants. |
| Coordinates | 14° 22' N 0° 17' W |
| Minimum elevation (m) | 250 |
| Maximum elevation (m) | 250 |
| Start date | 1996/09/15 |
| End date | 1996/09/15 |
| Family | Pontederiaceae |
| Identification | Heteranthera callifolia Reich. ex Kunth |
| Determined by | |
| Identification qualifier | |
| Field notes | Creeping and ascending in 20 cm deep waters. Flowers white. |