Invasive plants are species that are not native to a region and that cause harm to the local ecosystem. For instance, they outcompete native plants, limit food resources to wildlife, or even emit toxins that prevent other plants from growing. There are several invasive plants in Wisconsin, Michigan, Minnesota, and Iowa, but read about these that are some of the worst. East North Central Invasive Plants Phragmites There are several wetland invasive species in Iowa, Michigan, Wisconsin, and Minnesota. Among the most insidious in these natural areas is phragmites (Phragmites australis). It is an impressive plant, growing up to 13 feet (4 m) tall with a feathery, purplish inflorescence at the top of the stalks. There is a native subspecies, but an invasive one has taken over many marshes, ponds, and wetlands throughout the Midwest. The invasive subspecies is P. australis australis. The introduced subspecies forms denser stands. It outcompetes […]
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