| Collector | Lojtnant, B. |
| Number | 12588 |
| Collected with | Molau, U. & Madison, M. |
| Country | Ecuador |
| Subpart | CARCHI |
| County | |
| Locality | N-facing slopes c. 3 km SW of El Carmelo. Virgin and disturbed cloud forest. |
| Coordinates | 0° 39' N 77° 39' W |
| Minimum elevation (m) | 3150 |
| Maximum elevation (m) | 3350 |
| Start date | 1979/04/16 |
| End date | 1979/04/16 |
| Family | Poaceae |
| Identification | Arthrostylidium ecuadorense Judziewicz & L. G. Clark |
| Determined by | Laegaard, S. (AAU), 1997. |
| Identification qualifier | |
| Field notes | Scandent, forming dense curtains in shade. |