| Collector | Lojtnant, B. |
| Number | 13939 |
| Collected with | Molau, U. |
| Country | Ecuador |
| Subpart | COTOPAXI |
| County | |
| Locality | Latacunga - Quevedo road, 3-5 km above Pilaló. Slopes along road in cloud forest. |
| Coordinates | 0° 56' S 78° 59' W |
| Minimum elevation (m) | 2700 |
| Maximum elevation (m) | 2800 |
| Start date | 1979/05/28 |
| End date | 1979/05/28 |
| Family | Scrophulariaceae |
| Identification | Castilleja arvensis Schlecht. & Cham. |
| Determined by | N. H. Holmgren |
| Identification qualifier | |
| Field notes | Erect herb. Distal part of bracts light yellow. Flowers green. |