Specimen ID# | State | County | Locality | Year | HUC Number | Drainage Name | Status |
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166834 | OR | Columbia | Columbia River (R.M. 54) at Crims Island [~7 miles below Longview, WA] | 2006 | 17080003 | Lower Columbia-Clatskanie | established |
241935 | OR | Multnomah | Sandy River, near mouth with the Columbia River [near Troutdale] | 2007 | 17080001 | Lower Columbia-Sandy | collected |
241934 | OR | Multnomah | Sandy River, near mouth with the Columbia River [near Troutdale] | 2007 | 17080001 | Lower Columbia-Sandy | collected |
238456 | OR | Multnomah | Ramsey Wetland [=Ramsey Lake] in Portland [near the mouth of the Willamette River] | 2007 | 17080001 | Lower Columbia-Sandy | collected |
166656 | WA | | East Fork Lewis River in western Washington | 2004 | 17080002 | Lewis | established |
166655 | WA | | East Fork Lewis River in western Washington | 2006 | 17080002 | Lewis | established |