| Collector | Ollgaard, B. |
| Number | 1639 |
| Collected with | H. Navarrete |
| Country | Ecuador |
| Subpart | NAPO |
| County | |
| Locality | Valley of Río Oyacachi, ca 10 km along road W of El Chaco, trail along river to Río San Juan Grande. Remnants of tall forest. |
| Coordinates | 0° 17' S 77° 51' W |
| Minimum elevation (m) | 1760 |
| Maximum elevation (m) | 1800 |
| Start date | 1996/03/12 |
| End date | 1996/03/12 |
| Family | Polypodiaceae |
| Identification | Niphidium crassifolium (L.)Lellinger |
| Determined by | Navarrete, H. (AAU), 1998. |
| Identification qualifier | |
| Field notes | Epiphyte |
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