| Collector | Holm-Nielsen, L. B. |
| Number | 20216 |
| Collected with | Jaramillo, J. & Coello, F. |
| Country | Ecuador |
| Subpart | NAPO |
| County | |
| Locality | Río Aguarico. Island midway between Zancudo and Lagarto Cocha. Rain forest and Cecropia forest. |
| Coordinates | 0° 37' S 75° 22' W |
| Minimum elevation (m) | 290 |
| Maximum elevation (m) | 290 |
| Start date | 1979/08/30 |
| End date | 1979/08/30 |
| Family | Pteridaceae |
| Identification | Pityrogramma trifoliata (L.)R.M. Tryon |
| Determined by | Arbelaez, A. L. (MO), 2000. |
| Identification qualifier | |
| Field notes | |
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