|
Specimen ID | Common Name | State | County | Locality | Year |
| Drainage name | Status |
229348
| Eurasian watermilfoil | OR | Benton | Benton County | 1983 |
| Unknown or N/A | established |
859064
| Eurasian watermilfoil | OR | Benton | Corvallis | 1981 |
17090003
| Upper Willamette | established |
859043
| Eurasian watermilfoil | OR | Benton | Corvallis | 1981 |
17090003
| Upper Willamette | established |
246165
| Eurasian watermilfoil | OR | Benton | Private farm pond, Reservoir Road off of 53rd St. | 1981 |
17090003
| Upper Willamette | collected |
1467925
| Eurasian watermilfoil | OR | Clatsop | [Columbia River, near Astoria Bridge] | 2018 |
17080006
| Lower Columbia | established |
237311
| Eurasian watermilfoil | OR | Clatsop | Clatsop County | 2005 |
| Unknown or N/A | established |
246179
| Eurasian watermilfoil | OR | Columbia | Clatskanie Slough | 2003 |
17080003
| Lower Columbia-Clatskanie | collected |
242682
| Eurasian watermilfoil | OR | Columbia | Clatskanie Slough - Beaver Slough and Beaver Dredge Cut | 2003 |
17080003
| Lower Columbia-Clatskanie | established |
237315
| Eurasian watermilfoil | OR | Columbia | Columbia River, lower | 2005 |
17080003
| Lower Columbia-Clatskanie | established |
246175
| Eurasian watermilfoil | OR | Columbia | Sauvie Island, along land joining Oak and Sauvie Islands, in a branch of the Gilbert River | 1981 |
17090012
| Lower Willamette | collected |
260888
| Eurasian watermilfoil | OR | Coos | Coos County | 2005 |
| Unknown or N/A | established |
859068
| Eurasian watermilfoil | OR | Crook | Ochoco Butte | 1981 |
17070305
| Lower Crooked | established |
1706364
| Eurasian watermilfoil | OR | Curry | [No locality description provided] | 2022 |
17100310
| Lower Rogue | |
260889
| Eurasian watermilfoil | OR | Curry | Curry County | 2005 |
| Unknown or N/A | established |
859042
| Eurasian watermilfoil | OR | Deschutes | Crane Prairie Reservoir | 2009 |
17070301
| Upper Deschutes | established |
859073
| Eurasian watermilfoil | OR | Deschutes | Crane Prairie Reservoir | 2009 |
17070301
| Upper Deschutes | established |
262431
| Eurasian watermilfoil | OR | Deschutes | Crane Prairie Reservoir, near Crane Prairie campground | 2009 |
17070301
| Upper Deschutes | established |
1623515
| Eurasian watermilfoil | OR | Deschutes | Deschutes National Forest | 2009 |
17070301
| Upper Deschutes | established |
1625192
| Eurasian watermilfoil | OR | Deschutes | Deschutes National Forest | 2013 |
17070301
| Upper Deschutes | established |
1624622
| Eurasian watermilfoil | OR | Deschutes | Deschutes National Forest | 2016 |
17070301
| Upper Deschutes | established |
246180
| Eurasian watermilfoil | OR | Deschutes | East Lake, a caldera on Mt. Newberry | 1981 |
17070302
| Little Deschutes | collected |
237313
| Eurasian watermilfoil | OR | Douglas | Douglas County | 2005 |
| Unknown or N/A | established |
859061
| Eurasian watermilfoil | OR | Gilliam | Arlington | 2012 |
17070101
| Middle Columbia-Lake Wallula | established |
1399623
| Eurasian watermilfoil | OR | Gilliam | Columbia River spur. N side of I-84 | 2009 |
17070101
| Middle Columbia-Lake Wallula | unknown |
274071
| Eurasian watermilfoil | OR | Gilliam | Spur of the Columbia River on North Side of I-84 | 2009 |
17070101
| Middle Columbia-Lake Wallula | established |
|