Invasion

Invasion Description

1st Record: CA/Tomales Bay (1952, Menzies 1954, cited by Carlton 1979; Hoestlandt 1973; Carlton 1979)

Geographic Extent

CA/Tomales Bay (1952, Menzies 1954, cited by Carlton 1979; Hoestlandt 1973; Carlton 1979); Tomales Bay State Park, Shallow Beach/CA/Tomales Bay (USNM 142456, US National Museum of Natural History 2007)