| Collector | Ollgaard, B. |
| Number | 2831 |
| Collected with | H. Navarrete |
| Country | Ecuador |
| Subpart | LOJA |
| County | |
| Locality | Parque Nacional Podocarpus, at Guardianía Cajanuma, ca 6 km S of Loja. Trail to Lagunas Compadre. |
| Coordinates | 4° 7' S 79° 11' W |
| Minimum elevation (m) | 2900 |
| Maximum elevation (m) | 3100 |
| Start date | 1998/03/08 |
| End date | 1998/03/08 |
| Family | Thelypteridaceae |
| Identification | Thelypteris retrorsa (Sodiro)A. R. Sm. |
| Determined by | Navarrete, H. (AAU), 1998. |
| Identification qualifier | |
| Field notes | In wet ravine, leaves to 2 m long, arching-scandent. |
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