| Collector | Ollgaard, B. |
| Number | 57154 |
| Collected with | Korning, J. & Thomsen, K. |
| Country | Ecuador |
| Subpart | NAPO |
| County | |
| Locality | Laguna Añangu, N side, black water swamp community, dominated by Montrichardia and tall Cyperaceae. |
| Coordinates | 0° 31' S 76° 24' W |
| Minimum elevation (m) | 250 |
| Maximum elevation (m) | 250 |
| Start date | 1985/01/24 |
| End date | 1985/01/24 |
| Family | Mayacaceae |
| Identification | Mayaca fluviatilis Aubl. |
| Determined by | A. Lourteig, 1990 (P) |
| Identification qualifier | |
| Field notes | Mat-forming, semi-floating. Petals pink. |