| Collector | Holm-Nielsen, L. B. |
| Number | 21747 |
| Collected with | Jaramillo, J. & Brandbyge, J. |
| Country | Ecuador |
| Subpart | NAPO |
| County | |
| Locality | Río Aguarico. Partly cut rain forest at Dureno. |
| Coordinates | 0° 7' S 76° 31' W |
| Minimum elevation (m) | 250 |
| Maximum elevation (m) | 250 |
| Start date | 1980/02/22 |
| End date | 1980/02/22 |
| Family | Polypodiaceae |
| Identification | Microgramma piloselloides (L.)Copel. |
| Determined by | B. Ollgaard, 1985 |
| Identification qualifier | |
| Field notes | Epiphyte. |
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