| Collector | Madsen, J. E. |
| Number | 86452 |
| Collected with | Pedersen, A. B. |
| Country | Ecuador |
| Subpart | LOJA |
| County | |
| Locality | Parque Nacional Podocarpus. Vicinity of Lagunas de Compadre. c. 6 hours walking from centro de Informacíon. Ridge top vegetation, elfin forest, paramo, lakes. |
| Coordinates | 4° 10' S 79° 7' W |
| Minimum elevation (m) | 3000 |
| Maximum elevation (m) | 3400 |
| Start date | 1989/11/21 |
| End date | 1989/11/24 |
| Family | Isoetaceae |
| Identification | Isoetes ecuadoriensis E. Asplund |
| Determined by | R.J. Hickey |
| Identification qualifier | aff. |
| Field notes | Abundant at border of lake, emergent to immersed. Forming a dense, green carpet. |