| Collector | Holm-Nielsen, L. B. |
| Number | 5185 |
| Collected with | Jeppesen, S. & Lojtnant, B. & Ollgaard, B. |
| Country | Ecuador |
| Subpart | PICHINCHA |
| County | |
| Locality | Crater of Pululahoa, c. 20 km N of Quito. Steep slopes in cloud forest. |
| Coordinates | 0° 0' N 78° 29' W |
| Minimum elevation (m) | 2600 |
| Maximum elevation (m) | 3100 |
| Start date | 1973/05/12 |
| End date | 1973/05/12 |
| Family | Equisetaceae |
| Identification | Equisetum bogotense Kunth |
| Determined by | R. L. Hauke |
| Identification qualifier | |
| Field notes | Growing in the bottom of the fog forest. |