| Collector | Holm-Nielsen, L. B. |
| Number | 6544 |
| Collected with | Jeppesen, S. & Lojtnant, B. & Ollgaard, B. |
| Country | Ecuador |
| Subpart | IMBABURA |
| County | |
| Locality | Hacienda Pimán, between Ibarra and Chota on the abandoned Pan American Highway. Steep rock, very dry slope. |
| Coordinates | 0° 27' N 78° 3' W |
| Minimum elevation (m) | 2300 |
| Maximum elevation (m) | 2300 |
| Start date | 1973/05/27 |
| End date | 1973/05/27 |
| Family | Polypodiaceae |
| Identification | Polypodium thyssanolepis A.Braun ex Klotzsch |
| Determined by | A. Smith, 1982 |
| Identification qualifier | |
| Field notes | In semishade. |
|