| Collector | Holm-Nielsen, L. B. |
| Number | 18005 |
| Collected with | |
| Country | Ecuador |
| Subpart | PICHINCHA |
| County | |
| Locality | Nothern slopes of Cerro Corazón, 2-4 km W of Alóag on the road to Hacienda El Pongo. Montane scrub along road. |
| Coordinates | 0° 28' S 78° 36' W |
| Minimum elevation (m) | 3100 |
| Maximum elevation (m) | 3200 |
| Start date | 1979/05/13 |
| End date | 1979/05/13 |
| Family | Polypodiaceae |
| Identification | Polypodium monosorum Desv. |
| Determined by | B. Ollgaard, 1985 |
| Identification qualifier | |
| Field notes | Hanging in shade from cliff. |
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