| Collector | Terneus, E. |
| Number | 307 |
| Collected with | P. Ramsay |
| Country | Ecuador |
| Subpart | TUNGURAHUA |
| County | |
| Locality | Parque Nacional Llanganates, laguna Negra |
| Coordinates | 1° 6' 83'' S 78° 19' 44'' W |
| Minimum elevation (m) | 3660 |
| Maximum elevation (m) | 3660 |
| Start date | 1999/01/13 |
| End date | 1999/01/13 |
| Family | Cyperaceae |
| Identification | Schoenoplectus californicus (C.A.Mey.)Soj‡k |
| Determined by | |
| Identification qualifier | |
| Field notes | Macrófita enraizada emergente, creciendo al borde de la laguna como pequeño remanente. Sustrato fangoso. |