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This native plant should not be confused with Lythrum salicaria (Purple Loosestrife). The latter is an aggressive Eurasian plant that invades wetlands and forms dense stands that exclude other species. It was introduced to the United States as an ornamental plant. As compared to the native plant, Purple Loosestrife has wingless stems, a larger size, and slender willow-like leaves that often have hairs. ReturnTrusted
© John Hilty
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Illinois Wildflowers
