| Collector | Ollgaard, B. |
| Number | 10000 |
| Collected with | Balslev, H. |
| Country | Ecuador |
| Subpart | COTOPAXI/PICHINCHA |
| County | |
| Locality | Volcán Cotopaxi. Lake on plain towards RumiOnahui. (Laguna Limpia Pongo on Rio Pita plain). Muddy lake shore and adjacent dry slope. |
| Coordinates | 0° 36' S 78° 26' W |
| Minimum elevation (m) | 3800 |
| Maximum elevation (m) | 3800 |
| Start date | 1976/10/02 |
| End date | 1976/10/02 |
| Family | Isoetaceae |
| Identification | Isoetes killipii C.V.Morton |
| Determined by | R.J. Hickey |
| Identification qualifier | |
| Field notes | In shallow water with emerging leaves. |