| Collector | Filskov, P. |
| Number | 37187 |
| Collected with | Sondergaard, M. & Gregersen, I. |
| Country | Ecuador |
| Subpart | IMBABURA |
| County | |
| Locality | Laguna San Pablo, 0-2 km along the river towards Otavalo. Grass-fields grazed by sheep and cattle. |
| Coordinates | 0° 12' N 78° 17' W |
| Minimum elevation (m) | 2600 |
| Maximum elevation (m) | 2600 |
| Start date | 1981/11/19 |
| End date | 1981/11/19 |
| Family | Polygonaceae |
| Identification | Polygonum |
| Determined by | |
| Identification qualifier | |
| Field notes | Marsh-plant, 1 m high. Flowers white. Stems slightly red. |