| Collector | Ollgaard, B. |
| Number | 34578 |
| Collected with | Asanza, E. & Brandbyge, J. & Roth, S. & Sperling, C. |
| Country | Ecuador |
| Subpart | PASTAZA |
| County | |
| Locality | Río Bobonaza. Quilloallpa, below Montalvo. Riverbank vegetation, partly above high water level. |
| Coordinates | 2° 10' S 76° 53' W |
| Minimum elevation (m) | 300 |
| Maximum elevation (m) | 300 |
| Start date | 1980/07/17 |
| End date | 1980/07/17 |
| Family | Thelypteridaceae |
| Identification | Thelypteris opposita (Vahl)Ching |
| Determined by | A. R. Smith |
| Identification qualifier | |
| Field notes | In shade river bank. |
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