| Collector | Madsen, J. E. |
| Number | 63831 |
| Collected with | |
| Country | Ecuador |
| Subpart | GUAYAS |
| County | |
| Locality | Isla Punà. Zapote to Estero de la Garto. Savanna with Prosopis, Caesalpinia and Cochlospermum. |
| Coordinates | 2° 43' S 79° 57' W |
| Minimum elevation (m) | 0 |
| Maximum elevation (m) | 0 |
| Start date | 1987/08/04 |
| End date | 1987/08/04 |
| Family | Nymphaeaceae |
| Identification | Nymphaea ampla (Salisb.)DC. |
| Determined by | Cornejo, X. (GUAY), 1999. |
| Identification qualifier | |
| Field notes | Rosette with floating leaves. Petals white. In pond. |