Invasion
Invasion Description
1st Record: WA/Snohomish River Estuary (1997, Toft et al. 2002)
Geographic Extent
WA/Snohomish River Estuary (1997, Toft et al. 2002); near Seattle, Kings County/WA/Echo Lake. Puget Sound drainage (1955, Williams 1970)
Vectors
Level | Vector |
---|---|
Alternate | Ballast Water |
Alternate | Aquatic Plant Shipments |