| Collector | Madsen, J. E. |
| Number | 36621 |
| Collected with | |
| Country | Ecuador |
| Subpart | AZUAY |
| County | |
| Locality | Shrub near the river on the road from Cuenca to Cajas. Mountain forest. |
| Coordinates | 2° 49' S 78° 8' W |
| Minimum elevation (m) | 3100 |
| Maximum elevation (m) | 3100 |
| Start date | 1981/11/20 |
| End date | 1981/11/20 |
| Family | Asteraceae |
| Identification | Ageratina cuencana (B. L. Robinson)K. & R. |
| Determined by | H. Robinson |
| Identification qualifier | |
| Field notes | Herb, until 50 cm tall. Petals white. Buds reddish. Tips of sepals reddish. |