| Collector | Ollgaard, B. |
| Number | 35048 |
| Collected with | Asanza, E. & Brandbyge, J. & Roth, S. & Sperling, C. |
| Country | Ecuador |
| Subpart | PASTAZA |
| County | |
| Locality | Río Ishpingo, tributary of Río Pastaza. Vegetation of inundated river margins. |
| Coordinates | 2° 25' S 76° 45' W |
| Minimum elevation (m) | 285 |
| Maximum elevation (m) | 285 |
| Start date | 1980/07/22 |
| End date | 1980/07/22 |
| Family | Onagraceae |
| Identification | Ludwigia peruviana (L.)Hara |
| Determined by | E. Zardini, 1986 |
| Identification qualifier | |
| Field notes | Forming floating mats on riverside. Flowers yellow. |
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