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Invasive Purple loosestrife
From the Kansas Department of Agriculture website: Purple loosestrife, Lythrum salicaria, is a perennial invasive weed that invades lake, river, and wetlands. It was sold as an ornamental until KDA quarantined it in January, 2002. Purple loosestrife is established across the United States and it is also noxious in many states including Nebraska. It is characterized by having a square stem with purple flowers that have 5-6 petals per flower. Since it flowers throughout the summer, it can produce up to 2.7 million seeds per mature plant. These characteristics allow purple loosestrife to invade and squeeze out native vegetation rapidly.
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Uploaded on Feb 27, 2012
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