Invasion
Invasion Description
1st Record: Martinez/CA/Lower Walnut Creek (1980, Leidy 2007) 1st Watershed Record: Los Gatos/CA/Vasona Reservoir (1961, Leidy 2007)
Geographic Extent
Martinez/CA/Lower Walnut Creek (1980, Leidy 2007); CA/Sacramento-San Joaquin Delta (1980, Light et al. 2005; 2003, Brown and Michniuk 2007, rare)
Vectors
Level | Vector |
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