| Collector | Balslev, H. |
| Number | 4786 |
| Collected with | |
| Country | Ecuador |
| Subpart | NAPO |
| County | |
| Locality | Reserva Faunistica Cuyabeno northern side of Laguna Grande. Tropical rain forest. |
| Coordinates | 0° 1' N 76° 10' W |
| Minimum elevation (m) | 300 |
| Maximum elevation (m) | 300 |
| Start date | 1984/01/20 |
| End date | 1984/01/20 |
| Family | Cyatheaceae |
| Identification | Cyathea lasiosora (Kuhn) Domin |
| Determined by | Moran, R.C. (NY), 2000. |
| Identification qualifier | |
| Field notes | "Siona: ""Pe-sí-he-cá"". Treefern, trunk 5 cm x 2.5 m. Leaves ca 2 m long. On terra firme." |