| Collector | Balslev, H. |
| Number | 10440 |
| Collected with | Madsen, E. |
| Country | Ecuador |
| Subpart | NAPO |
| County | |
| Locality | Road Baeza - Lago Agrio, 23 km from Baeza at Río Oyacachi. Montane forest and dense scrubby riverside vegetation. |
| Coordinates | 0° 18' S 77° 48' W |
| Minimum elevation (m) | 1500 |
| Maximum elevation (m) | 1500 |
| Start date | 1976/10/29 |
| End date | 1976/10/29 |
| Family | Orchidaceae |
| Identification | Habenaria monorrhiza (Sw.) Rchb. f. |
| Determined by | C.H. Dodson (MO), 1991. |
| Identification qualifier | |
| Field notes | On the roadbank. Flowers white. |