| Collector | Holm-Nielsen, L. B. |
| Number | 19956 |
| Collected with | Jaramillo, J. & Coello, F. |
| Country | Ecuador |
| Subpart | NAPO |
| County | |
| Locality | Río Yasuní, Charapillo. Sandbank vegetation. |
| Coordinates | 1° 3' S 75° 44' W |
| Minimum elevation (m) | 320 |
| Maximum elevation (m) | 320 |
| Start date | 1979/08/26 |
| End date | 1979/08/26 |
| Family | Polypodiaceae |
| Identification | Microgramma piloselloides (L.)Copel. |
| Determined by | B. Ollgaard, 1985 |
| Identification qualifier | |
| Field notes | Epiphyte. |
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