| Collector | Holm-Nielsen, L. B. |
| Number | 17412 |
| Collected with | Jaramillo, J. & Vries, T. de |
| Country | Ecuador |
| Subpart | NAPO |
| County | |
| Locality | N side of Cerro Sumaco, loma NW of campsite. Montane forest with large trees and numerous epiphytes. Steep creek gorges with numerous large ferns. |
| Coordinates | 0° 34' S 77° 43' W |
| Minimum elevation (m) | 3100 |
| Maximum elevation (m) | 3150 |
| Start date | 1979/04/28 |
| End date | 1979/04/28 |
| Family | Cyperaceae |
| Identification | Carex tristicha Spruce ex Boott |
| Determined by | |
| Identification qualifier | |
| Field notes | Bracts brownish green. |
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