| Collector | Asanza, E. |
| Number | 41231 |
| Collected with | Barfod, A. |
| Country | Ecuador |
| Subpart | NAPO |
| County | |
| Locality | Cuyabeno Nature Reserve. Río Cuyabeno and Laguna Cuñangueno. Collections made from canoe going up to the along Río Cuyabeno. |
| Coordinates | 0° 2' N 76° 10' W |
| Minimum elevation (m) | 240 |
| Maximum elevation (m) | 240 |
| Start date | 1982/11/15 |
| End date | 1982/11/15 |
| Family | Cyperaceae |
| Identification | Eleocharis plicarhachis (Griseb.)Svenson |
| Determined by | Camelbeke, K. (GENT), 1993. |
| Identification qualifier | |
| Field notes | Floating island on lake made up of Cyperaceae, Poaceae and others. |