| Collector | Holm-Nielsen, L. B. |
| Number | 16040 |
| Collected with | |
| Country | Ecuador |
| Subpart | NAPO |
| County | |
| Locality | N and E side of Laguna Parcha Cocha, Páramo de Guamaní. Swampy area with Distichia - Plantago rigida association, in water Callitriche. |
| Coordinates | 0° 16' S 78° 9' W |
| Minimum elevation (m) | 4000 |
| Maximum elevation (m) | 4000 |
| Start date | 1979/03/17 |
| End date | 1979/03/17 |
| Family | Haloragidaceae |
| Identification | Myriophyllum quitense H.B.K. |
| Determined by | P.M. Jorgensen (AAU), 1992. |
| Identification qualifier | |
| Field notes | In small stream between the lakes. |