| Specimen ID | 262743 |
| Group | Plants |
| Genus | Ludwigia |
| Species | grandiflora |
| Common Name | large-flower primrose-willow |
| State | WA |
| County | Cowlitz |
| Locality | Longview, near junction of Oak Street and 36th Avenue |
| 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 | 27 |
| Collection Month | 10 |
| Collection Year | 2005 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker | dispersed | released |
| Status | established |
| Reference 1 |
| Ref. Number: | 16085 |
| Author: | University of Washington. |
| Date: | 2007 |
| Title: | Burke Museum of Natural History and Culture: Herbarium. |
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| Reference 2 |
| Ref. Number: | 18815 |
| Author: | Olmstead, R., D.E. Giblin, and B. Legler. |
| Date: | 2013 |
| Title: | Consortium of Pacific Northwest Herbaria |
| Publisher: | University of Washington Herbarium |
| Volume: | 2009 |
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| Comments | recorded as: Ludwigia hexapetala |
| Record Type | Literature |
| Earliest Record | locale |
| Museum Cat Number | UWBM162751 |
| Freshwater/Marine | Freshwater |
