| Collector | Brandbyge, J. |
| Number | 33894 |
| Collected with | Asanza, E. & Werling, L. & Leth-Nissen, S. |
| Country | Ecuador |
| Subpart | NAPO |
| County | |
| Locality | Lagunas de Cuyabeno. Path going in the direction E from the tourist house. Primary forest on elevated ground. |
| Coordinates | 0° 1' S 76° 11' W |
| Minimum elevation (m) | 300 |
| Maximum elevation (m) | 300 |
| Start date | 1981/08/22 |
| End date | 1981/08/22 |
| Family | Cyatheaceae |
| Identification | Cyathea lasiosora (Kuhn) Domin |
| Determined by | Tryon |
| Identification qualifier | |
| Field notes | Tree fern. Stem 2.5 m. Fronds 1.7 m. About 12-15 pairs of pinnae. Rachis spiny. |
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