In July 2021, botanists discovered a population of the wetland invasive plant European frog-bit in Oconto County. This is the first time this species has been found in the wild in Wisconsin.
Wetland Coffee Break: Managing impacts of the invasive Emerald Ash Borer on Wisconsin’s wooded wetlands
Join forester Brad Hutnik to learn about Emerald ash borer, including the current status of EAB in Wisconsin, current management recommendations, and its effect long-term on the ecology of forested wetlands.
Yellow flag iris is a showy perennial invasive plant that grows in wetlands and on floating aquatic mats and forms very dense mats of rhizomes and crowds out native plant species.
If you have large stands of cattail taking over your wetland, you likely have one of the invasive cattails, and you should consider actions to control the cattail in order to make room for native plants in your wetland.
Garden valerian is a good example of how an invasive species can exist for many decades in small isolated pockets that don’t seem to be spreading, but then suddenly shows up everywhere.