| Collector | Holm-Nielsen, L. B. |
| Number | 2105 |
| Collected with | Jeppesen, S. & Lojtnant, B. & Ollgaard, B. |
| Country | Ecuador |
| Subpart | GUAYAS |
| County | |
| Locality | Between Ancón and Atahualpa. Plain with gallery scrub along temporary waterholes. |
| Coordinates | 2° 20' S 80° 48' W |
| Minimum elevation (m) | 30 |
| Maximum elevation (m) | 30 |
| Start date | 1973/03/17 |
| End date | 1973/03/17 |
| Family | Poaceae |
| Identification | Tragus berteronianus Schult. |
| Determined by | S. Laegaard (AAU), 1991. |
| Identification qualifier | |
| Field notes | Solitary grass in dry sand. |