| Collector | Lojtnant, B. |
| Number | 11250 |
| Collected with | Molau, U. |
| Country | Ecuador |
| Subpart | PICHINCHA |
| County | |
| Locality | Old road Quito - Santo Domingo, between San Juan and Chiriboga. Mountain rain forest on steep slopes along road. |
| Coordinates | 0° 17' S 78° 39' W |
| Minimum elevation (m) | 2800 |
| Maximum elevation (m) | 2950 |
| Start date | 1979/03/20 |
| End date | 1979/03/20 |
| Family | Orchidaceae |
| Identification | Pleurothallis grandiflora Lindl. |
| Determined by | C.A. Luer, 1982 |
| Identification qualifier | |
| Field notes | Terrestrial. Lip dark yellow, other tepals pale yellow and more or less brownish purple tinted. Common. |