| Collector | Fay, A. |
| Number | 3089 |
| Collected with | Louis Fay |
| Country | Ecuador |
| Subpart | Pichincha |
| County | |
| Locality | Cantón Quito. Río Guajalito Reserve. 10 km W of Chiriboga; km 69 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 | 1991/07/09 |
| End date | 1991/07/09 |
| Family | Dryopteridaceae |
| Identification | Megalastrum vastum (Kunze) A.R. Sm. & R.C. Moran |
| Determined by | Robbin C. Moran |
| Identification qualifier | |
| Field notes | Stipe 50 cm, blade 90 cm. Nonconformal apex. |
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