| Collector | Brandbyge, J. |
| Number | 30102 |
| Collected with | Asanza, E. |
| Country | Ecuador |
| Subpart | NAPO |
| County | |
| Locality | Near the end of the Auca oil-field road. Upland primary forest. |
| Coordinates | 0° 44' S 76° 54' W |
| Minimum elevation (m) | 240 |
| Maximum elevation (m) | 240 |
| Start date | 1980/02/28 |
| End date | 1980/02/28 |
| Family | Cyatheaceae |
| Identification | Cyathea lasiosora (Kuhn) Domin |
| Determined by | Tryon |
| Identification qualifier | |
| Field notes | Tree fern, 2.2 m. The first pair of leaflets 30 cm from base of rachis. About 20 leaflets on one frond. |