Monitoring and rapid response: Cut all stems, both green and dead in mid to late summer or early fall. If possible, maintain a water level of a minimum of 3 inches above cut stems for entire growing season. Foliar spray with aquatic approved imazypr has been effective.
Credits: The information provided in this factsheet was gathered from the Wisconsin Department of Natural Resources.
Individual species images that appear with a number in a black box are courtesy of the Bugwood.org network (http://www.invasive.org).Individual photo author credits may not be included due to the small display size of the images and subsequent difficulty of reading the provided text. All other images appear courtesy of Google (http://images.google.com).