| Collector | Ollgaard, B. |
| Number | 37844 |
| Collected with | Holm-Nielsen, L. B. & Andreasen, N. H. B. & Larsen, B. B. & Kvist, L. P. |
| Country | Ecuador |
| Subpart | PICHINCHA |
| County | |
| Locality | Road Gualea - La Armenia, 3 km from La Armenia. Deep ravine with tall montane rain forest and adjacent open roads banks. |
| Coordinates | 0° 6' N 78° 43' W |
| Minimum elevation (m) | 1800 |
| Maximum elevation (m) | 1800 |
| Start date | 1982/05/03 |
| End date | 1982/05/03 |
| Family | Dryopteridaceae |
| Identification | Megalastrum vastum (Kunze) A.R. Sm. & R.C. Moran |
| Determined by | R.C. Moran (NY), J. Prado (SP) & M. Sundue (NY) |
| Identification qualifier | |
| Field notes | Dominant fern on forest floor. In deep shade. Laeves ca 1.5 m long. Lamina deltoid, stipes 0.75 m long |
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