| Collector | Holm-Nielsen, L. B. |
| Number | 2585 |
| Collected with | Jeppesen, S. & Lojtnant, B. & Ollgaard, B. |
| Country | Ecuador |
| Subpart | GUAYAS |
| County | |
| Locality | 3 km E of Buenos Aires (km 86 from Guayaquil). Gallery vegetation along temporary river bed and surrounding slopes and dry plains. |
| Coordinates | 2° 22' S 80° 28' W |
| Minimum elevation (m) | 50 |
| Maximum elevation (m) | 50 |
| Start date | 1973/03/28 |
| End date | 1973/03/28 |
| Family | Cyperaceae |
| Identification | Cyperus panamensis (C.B.Clarke)Britton |
| Determined by | G. C. Tucker, 1991 (NYS) |
| Identification qualifier | |
| Field notes | On humid soil in sand in dry riverbed. |