Purple loosestrife is an invasive and competitive noxious weed that alters wetland ecosystems by replacing native and beneficial plants. Water-dependent mammals and waterfowl and other birds leave wetlands when their food source, nesting material and shelter are displaced by purple loosestrife
January, 2011
https://your.kingcounty.gov/dnrp/library/water-and-land/weeds/BMPs/purple_loosestrife-control.pdf
