| Collector | Terneus, E. |
| Number | 145 |
| Collected with | J. Terneus |
| Country | Ecuador |
| Subpart | Oyacachi |
| County | |
| Locality | Reserva Ecológica Cayambe-Coca, laguna Guambicocha. |
| Coordinates | 0° 17' S 78° 3' W |
| Minimum elevation (m) | 3600 |
| Maximum elevation (m) | 3600 |
| Start date | 1998/02/10 |
| End date | 1998/02/10 |
| Family | Isoetaceae |
| Identification | Isoetes karstenii A.Braun |
| Determined by | J.B.S. Pereira |
| Identification qualifier | |
| Field notes | Macrófita enraizada sumergida, creciendo hasta 1 m de profundidad en suelos fangosos. Se presenta solo en pocos sectores de la laguna. |
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