Invasion

Invasion Description

1st Record: CA/Morro Bay (1950, Barnard 1952, cited by Carlton 1979)

Geographic Extent

Bodega Bay/CA/Bodega Harbor (Standing 1975, cited by Carlton 1979); CA/Tomales Bay (1964, Johnson and Juskevice 1965, cited by Carlton 1979); CA/Bolinas Lagoon (Page and Stenzel 1975, cited by Carlton 1979); Coast Guard Island, Oakland/CA/San Francisco Bay (2004, Cohen et al. 2005); Port Sonoma, Petaluma/CA/San Pablo Bay-Petaluma River (2010, Foss 2011); San Pablo Bay Pumphouse/CA/San Pablo Bay (Foss 2011); Alameda County/CA/mouth of Coyote Hills Slough, S side, San Francisco Bay (1976, California Academy of Sciences 2015, in decomposing wood structure); CA/Monterey Harbor (Barnard 1966, cited by Carlton 1979); CA/Elkhorn Slough (1977, Carlton 1979; Wasson et al. 2001); CA/Morro Bay (1950, Barnard 1952, cited by Carlton 1979, but not found in 2005 survey, Needles 2007; Needles and Wendt 2012)