HUC Code | Watershed Name | Occurrence | Source |
17020010 | Upper Columbia-Entiat | Current | NatureServe |
17020016 | Upper Columbia-Priest Rapids | Current | NatureServe |
17030003 | Lower Yakima | Current | NatureServe |
17060107 | Lower Snake-Tucannon | Historic | NatureServe |
17060110 | Lower Snake | Historic | NatureServe |
17060306 | Clearwater | Historic | NatureServe |
17070101 | Middle Columbia-Lake Wallula | Current | NatureServe |
17070102 | Walla Walla | Historic | NatureServe |
17070105 | Middle Columbia-Hood | Current | NatureServe |
17070106 | Klickitat | Current | NatureServe |
17080001 | Lower Columbia-Sandy | Current | NatureServe |
17080002 | Lewis | Current | NatureServe |
17080003 | Lower Columbia-Clatskanie | Current | NatureServe |
17080005 | Lower Cowlitz | Current | NatureServe |
17090001 | Middle Fork Willamette | Current | NatureServe |
17090002 | Coast Fork Willamette | Current | NatureServe |
17090003 | Upper Willamette | Current | NatureServe |
17090005 | North Santiam | Current | NatureServe |
17090006 | South Santiam | Current | NatureServe |
17090007 | Middle Willamette | Current | NatureServe |
17090008 | Yamhill | Current | NatureServe |
17090009 | Molalla-Pudding | Current | NatureServe |
17090011 | Clackamas | Current | NatureServe |
17090012 | Lower Willamette | Current | NatureServe |
17100204 | Siletz-Yaquina | Current | NatureServe |