| Collector | Laegaard, S. |
| Number | 19707 |
| Collected with | |
| Country | Ecuador |
| Subpart | GUAYAS |
| County | |
| Locality | Pto Inca - Guayaquil km 17, along main road through Res. Manglares Churute |
| Coordinates | 3° 25' 79° 9' |
| Minimum elevation (m) | 10 |
| Maximum elevation (m) | 10 |
| Start date | 1999/03/12 |
| End date | 1999/03/12 |
| Family | Poaceae |
| Identification | Echinochloa polystachya (Kunth)Hitchc. |
| Determined by | Renvoize, S. (K), 2002. |
| Identification qualifier | |
| Field notes | Perennial, ca 1.5 m high, covering several ha of innundated land along road. |