| Collector | Lawesson, J. E. |
| Number | 43322 |
| Collected with | Thomas Laessoe & Peter Moller Jorgensen |
| Country | Ecuador |
| Subpart | NAPO |
| County | |
| Locality | Río Yasuní. Aproximately 2 hours upriver from Río Napo. Primary rain forest, terra firme. |
| Coordinates | 1° 5' S 75° 35' W |
| Minimum elevation (m) | 180 |
| Maximum elevation (m) | 200 |
| Start date | 1983/04/08 |
| End date | 1983/04/08 |
| Family | Cyperaceae |
| Identification | Rhynchospora amazonica Poep. & Kunth |
| Determined by | K. Camelbeke |
| Identification qualifier | |
| Field notes | Abundant undergrowth. |