| Collector | Holm-Nielsen, L. B. |
| Number | 21466 |
| Collected with | Jaramillo, J. & Brandbyge, J. |
| Country | Ecuador |
| Subpart | NAPO |
| County | |
| Locality | Río Aguarico. E of the mouth of Río Cuyabeno. Temporarely inundated rain forest. |
| Coordinates | 0° 16' S 75° 54' W |
| Minimum elevation (m) | 200 |
| Maximum elevation (m) | 200 |
| Start date | 1980/02/20 |
| End date | 1980/02/20 |
| Family | Dryopteridaceae |
| Identification | Didymochlaena truncatula (Sw.)J. Sm. |
| Determined by | B. Ollgaard |
| Identification qualifier | |
| Field notes | Rhizome horizontal. |
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