| Collector | Ollgaard, B. |
| Number | 38963 |
| Collected with | Luteyn, J. L. & Mori, S. A. & Larsen, B. B. & Boom, B. & Jensen, A. R. |
| Country | Ecuador |
| Subpart | NAPO |
| County | |
| Locality | Añangu. Rain forest on well drained hilly ground in the Parque Nacional Yasuní. Collections in the area of the SEF project. Soil temperature 24-25° C. |
| Coordinates | 0° 31' S 76° 23' W |
| Minimum elevation (m) | 260 |
| Maximum elevation (m) | 350 |
| Start date | 1982/05/30 |
| End date | 1982/06/21 |
| Family | Cyatheaceae |
| Identification | Cyathea lasiosora (Kuhn) Domin |
| Determined by | Tryon |
| Identification qualifier | |
| Field notes | 2 m high tree fern. Leaves ca 2 m. |
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