| Collector | Holm-Nielsen, L. B. |
| Number | 20689 |
| Collected with | |
| Country | Ecuador |
| Subpart | NAPO |
| County | |
| Locality | NW slope of Antisana, Lago Mauca-Machay. Windswept high plain with extended swampy areas. |
| Coordinates | 0° 27' S 78° 10' W |
| Minimum elevation (m) | 4350 |
| Maximum elevation (m) | 4350 |
| Start date | 1979/11/02 |
| End date | 1979/11/02 |
| Family | Lycopodiaceae |
| Identification | Huperzia hypogaea B. Øllg. |
| Determined by | Ollgaard, B. (AAU), 1994. |
| Identification qualifier | |
| Field notes | Leaves red, basal leaves green, new shoots yellow. |
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