| Specimen ID | 230554 |
| Group | Plants |
| Genus | Iris |
| Species | pseudacorus |
| Common Name | yellow iris |
| State | WA |
| County | Cowlitz |
| Locality | Willow Grove 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 | 8 |
| Collection Month | 8 |
| Collection Year | 1996 |
| Year Accuracy | Actual |
| Potential Pathway | unknown |
| Status | established |
| Reference 1 |
| Ref. Number: | 10613 |
| Author: | Parsons, J. |
| Date: | 1998 |
| Title: | List of aquatic plants introduced to Washington, from database at Aquatic Plant Technical Assistance Program, Washington State Department Ecology, Olympia, Washington |
| Publisher: | Washington State Department Ecology |
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| Record Type | Literature |
| Freshwater/Marine | Freshwater |
