| Specimen ID | 238672 |
| Group | Plants |
| Genus | Ludwigia |
| Species | grandiflora |
| Common Name | large-flower primrose-willow |
| State | WA |
| County | Cowlitz |
| Locality | Solo Slough, near Columbia River and Longview. |
| Mapping Accuracy | Accurate |
| HUC8 Name | Lower Columbia-Clatskanie |
| HUC8 Number | 17080003 |
| HUC10 Name | Germany Creek-Frontal Columbia River |
| HUC10 Number | 1708000306 |
| HUC12 Name | City of Longview-Frontal Columbia River |
| HUC12 Number | 170800030602 |
| Map | |
| Collection Day | 4 |
| Collection Month | 8 |
| Collection Year | 1998 |
| Year Accuracy | Actual |
| Potential Pathway | planted ornamental |
| Status | established |
| Reference 1 |
| Ref. Number: | 16041 |
| Author: | Parsons, J. |
| Date: | 2007 |
| Title: | Washington Aquatic Plant Monitoring Database |
| Publisher: | Washington Department of Ecology |
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| Record Type | Literature |
| Freshwater/Marine | Freshwater |
