| Collector | Holm-Nielsen, L. B. |
| Number | 17921 |
| Collected with | Jaramillo, J. & Vries, T. de |
| Country | Ecuador |
| Subpart | NAPO |
| County | |
| Locality | NE side of Cerro Sumaco, quebrada S of campsite. Deep cataract, shaded, extreme humidity. Abundant mosses. |
| Coordinates | 0° 34' S 77° 43' W |
| Minimum elevation (m) | 3750 |
| Maximum elevation (m) | 3750 |
| Start date | 1979/05/05 |
| End date | 1979/05/05 |
| Family | Marchantiophyta |
| Identification | Herbertus subdentatus (Steph.)Fulf. |
| Determined by | S. Fransén, 1982 |
| Identification qualifier | |
| Field notes | |
This record