| Collector | Terneus, E. |
| Number | 275 |
| Collected with | V. Rivera |
| Country | Ecuador |
| Subpart | AZUAY |
| County | |
| Locality | Lagunas del Parque Nacional Cajas. Sector Toreadora |
| Coordinates | 2° 48' 40'' S 79° 13' 97'' W |
| Minimum elevation (m) | 3810 |
| Maximum elevation (m) | 3810 |
| Start date | 1998/09/12 |
| End date | 1998/09/12 |
| Family | Polygonaceae |
| Identification | Polygonum hydropiperoides Michaux |
| Determined by | |
| Identification qualifier | |
| Field notes | Macrófita enraizada flotante, creciendo a orillas de la laguna junto Scirpus. Sustrato fangoso. |
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