Invasion

Invasion Description

1st Record: Whatcom County/WA/Samish Bay Whatcom County/WA/Samish Bay (1947, Kincaid 1947; Hanna 1966, cited by Carlton 1979)

Geographic Extent

Whatcom County/WA/Samish Bay Whatcom County/WA/Samish Bay (1947, Kincaid 1947; Hanna 1966, cited by Carlton 1979)