| Specimen ID | 258116 |
| Group | Mammals |
| Genus | Myocastor |
| Species | coypus |
| Common Name | nutria |
| State | OR |
| County | Multnomah |
| Locality | Willamette River, confluence with Columbia River |
| Mapping Accuracy | Accurate |
| HUC8 Name | Lower Willamette |
| HUC8 Number | 17090012 |
| HUC10 Name | Columbia Slough-Willamette River |
| HUC10 Number | 1709001202 |
| HUC12 Name | Balch Creek-Willamette River |
| HUC12 Number | 170900120202 |
| Map | |
| Collection Year | 2007 |
| Year Accuracy | Actual |
| Potential Pathway | escaped captivity fur farm | dispersed |
| Status | established |
| Reference 1 |
| Ref. Number: | 18137 |
| Author: | Sheffels, T. |
| Date: | 2008 |
| Title: | Pacific Northwest Nutria Distribution GIS Map. |
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| Comments | nutria density estimated |
| Record Type | Literature |
| Freshwater/Marine | Freshwater |
| Number Collected | >100 |
