<a href="https://dnr.wi.gov/topic/Invasives/classification.html" target="_blank" rel="noopener">Information on invasive species from the Wisconsin DNR</a><br><br><a href="https://www.milwaukeemilkmen.com/routine-field" target="_blank" rel="noopener"> Routine Field</a><br><br><a href="https://www.wihumane.org/" target="_blank" rel="noopener">Wisconsin Humane Society</a><br><br><a href="https://www.shaunahyler.com/" target="_blank" rel="noopener">Shauna Hyler</a>