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DOES PURPLE LOOSESTRIFE NATURALLY OCCUR IN ILLINOIS?

April 26, 2017Illinois loosestrife naturally occur Purple

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DOES PURPLE LOOSESTRIFE NATURALLY OCCUR IN ILLINOIS?

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No. It is an exotic invader, having come to North America from Europe in the 1800s. Apparently, it arrived in Illinois in the middle of this century, but it really only has become a serious pest in the last 20-25 years. There are several native loosestrife species, such as winged loosestrife (Lythrum alatum) and swamp loosestrife (Decodon verticillatus).