Invasion

Invasion Description

1st record: WA/Puget Sound (Galtsoff 1931, cited by Carlton 1979)

Geographic Extent

Victoria/British Columbia/Georgia Straits (1939, six collected, Carlton 1979); WA-British Columbia/Boundary Bay (Sherwood 1931, cited by Carlton 1979); WA/Padilla Bay (2005, Riggs 2011); WA/Puget Sound (Galtsoff 1931, cited by Carlton 1979); Taylor Shellfish Rafts/WA/Totten Inlet (Cohen et al. 2001); Evergreen State College Beach/Eld Inlet (Cohen et al. 2001); Olympia/WA/Puget Sound (1961, ANSP 263159, Academy of Natural Sciences of Philadelphia 2013)