| Collector | Holm-Nielsen, L. B. |
| Number | 23770 |
| Collected with | Balslev, H. |
| Country | Ecuador |
| Subpart | NAPO |
| County | |
| Locality | Valle Vicioso E of Volcán Cotopaxi. Paramo. Humid plain with seeping water and adjacent slopes with bunchgrass paramo. |
| Coordinates | 0° 42' S 78° 15' W |
| Minimum elevation (m) | 3600 |
| Maximum elevation (m) | 3600 |
| Start date | 1980/05/25 |
| End date | 1980/05/25 |
| Family | Azollaceae |
| Identification | Azolla caroliniana Willd. |
| Determined by | B. Ollgaard, 1984 |
| Identification qualifier | |
| Field notes | Forming dense floating mats in still water. |
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