By Wisconsin DNR
With 145 invasive plants regulated under Wisconsin’s Invasive Species Rule NR40, it can be challenging to identify some of these plants while out in the woods.
The task can be further complicated by the presence of native lookalikes – plants that have a similar appearance to harmful invasive species but are actually native plants that benefit wildlife, pollinators and ecosystems in Wisconsin.
Continue reading “Invasives And Imposters: Native Look-Alikes To Know”


Have you ever walked through a patch of poison ivy or brushed up against wild parsnip? If so, you probably learned an uncomfortable lesson about encountering harmful plants. Luckily, there is a less painful way to learn about dangerous vegetation hidden among Wisconsin’s natural beauty. Now is the time to brush up on hazards you may encounter while working or recreating outdoors.
Are you an arborist or urban forester who conducts tree risk assessments?
Are you a forestry expert interested in working with the Wisconsin Department of Natural Resources (DNR), forest industry professionals and natural resource leaders to ensure sustainable management practices of Wisconsin’s forest resources?
Partners in Community Forestry Conference: Nov. 19-20, 2025
WAA Summer Conference: July 31, 2025