| Collector | Fay, A. |
| Number | 3349 |
| Collected with | Louis Fay |
| Country | Ecuador |
| Subpart | Pichincha |
| County | |
| Locality | Rio Guajalito Reserve. 10 km W of Chiriboga, km 59 of old road Quito - Santo Domingo. Wet Cloud Forest. |
| Coordinates | 0° 14' S 78° 48' W |
| Minimum elevation (m) | 1900 |
| Maximum elevation (m) | 1900 |
| Start date | 1991/07/10 |
| End date | 1991/07/10 |
| 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 | Terrestrial in forest. Stipes 55-75 cm, blades 75-90 cm. Non-conformal apex |
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