Specimen ID | Common Name | State | County | Locality | Year |
| Drainage name | Status |
1529506
| Eurasian watermilfoil | WA | Skagit | Heart Lake (35N-01E-36) | 1998 |
17110002
| Strait of Georgia | established |
1528301
| Eurasian watermilfoil | WA | Skagit | Heart Lake (35N-01E-36) | 1998 |
17110002
| Strait of Georgia | established |
1527096
| Eurasian watermilfoil | WA | Skagit | Heart Lake (35N-01E-36) | 2000 |
17110002
| Strait of Georgia | established |
1527147
| hybrid watermilfoil | WA | Skagit | Heart Lake (35N-01E-36) | 2010 |
17110002
| Strait of Georgia | established |
1525943
| hybrid watermilfoil | WA | Skagit | Heart Lake (35N-01E-36) | 2013 |
17110002
| Strait of Georgia | established |
1403818
| Eurasian watermilfoil | WA | Skagit | Heart Lake, near Anacortes | 1998 |
17110002
| Strait of Georgia | established |
1403817
| hybrid watermilfoil | WA | Skagit | Heart Lake, near Anacortes | 2010 |
17110002
| Strait of Georgia | established |
1527128
| Eurasian watermilfoil | WA | Whatcom | Terrell Lake | 2013 |
17110002
| Strait of Georgia | established |
1525924
| Eurasian watermilfoil | WA | Whatcom | Terrell Lake | 2016 |
17110002
| Strait of Georgia | established |
1529539
| Eurasian watermilfoil | WA | Whatcom | Terrell Lake | 2018 |
17110002
| Strait of Georgia | established |