| Collector | Lojtnant, B. |
| Number | 13548 |
| Collected with | Molau, U. |
| Country | Ecuador |
| Subpart | PASTAZA |
| County | |
| Locality | Montalvo, S side of the Río Bobonaza, 0-2 km SW of the military camp. Virgin and disturbed rain forest. |
| Coordinates | 2° 5' S 76° 58' W |
| Minimum elevation (m) | 250 |
| Maximum elevation (m) | 300 |
| Start date | 1979/05/20 |
| End date | 1979/05/20 |
| Family | Cyatheaceae |
| Identification | Cyathea lasiosora (Kuhn) Domin |
| Determined by | Tryon |
| Identification qualifier | |
| Field notes | Stem ca 3.5 m high. No. of leaves 8. Length of leaves incl. petiole: ca 1 m. Diam. of stem: ca 3 cm. |
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