| Specimen ID | 262742 |
| Group | Plants |
| Genus | Ludwigia |
| Species | grandiflora |
| Common Name | large-flower primrose-willow |
| State | WA |
| County | Cowlitz |
| Locality | Longview, near sewage treatment plant, junction of Routes 4 and 439, town of Long Beach (sic). |
| Mapping Accuracy | Approximate |
| HUC8 Name | Lower Columbia-Clatskanie |
| HUC8 Number | 17080003 |
| Map | |
| Collection Day | 24 |
| Collection Month | 7 |
| Collection Year | 2000 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker | dispersed | released |
| Status | collected |
| 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 |
| Museum Cat Number | UWBM94530 |
| Verifier | Peter F. Zika |
| Freshwater/Marine | Freshwater |
