Terrestrial invasive plants such as buckthorn, honeysuckle, and garlic mustard can cause a very serious impact on foestry in Wisconsin, costing the industry$28 billion per year. These non-native, aggressively growing plants shade out tree seedlings preventing regeneration of young trees.
Please be aware of the terrestrial plants of Wisconsin and the Wisconsin Invasive Species Rule (NR40). For a photographic guide of the regulated terrestrial plants of Wisconsin click HERE