Invasion

Invasion Description

1st Record: CA/Sacramento-San Joaquin Delta (1973, Moyle 1973, Cohen and Carlton 1995; Dill and Cordone 1997)

1st Watershed Record: Beale Air Force Base, Yuba County/CA/Sacramento River drainage (Dill and Cordone 1997)

Geographic Extent

Beale Air Force Base, Yuba County/CA/Sacramento River drainage (Dill and Cordone 1997); CA/Sacramento San Joaquin Delta (Cohen and Carlton 1995; Dill and Cordone 1997; Brown and Michniuk 2007; Grimaldo et al. 2012); CA/Suisun Marsh (1979-99, Matern et al. 2002)