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Purple Loosestrife: Distribution & Spread

Distribution & Spread

Most current map of California Purple Loosestrife
distribution (January 2001)

Purple squares indicate known purple loosestrife locations
found throughout the state. The CALFED Bay Delta
watershed is the green highlighted area

California’s extensive waterways are potentially
at risk to invasion by Purple Loosestrife

Vermont Distribution of Purple Loosestife

Oregon Distribution of Purple Loosestrife

US Distribution of Purple Loosestrife

Canada Distribution of Purple Loosestrife