Chris Evans, University of Illinois, Bugwood.org

James H. Miller & Ted Bodner, Southern Weed Science Society, Bugwood.org

Great Smoky Mountains National Park Resource Management , USDI National Park Service, Bugwood.org

Chris Evans, University of Illinois, Bugwood.org

Karan A. Rawlins, University of Georgia, Bugwood.org

Chris Evans, University of Illinois, Bugwood.org

Chris Evans, University of Illinois, Bugwood.org

Chris Evans, University of Illinois, Bugwood.org

Chris Evans, University of Illinois, Bugwood.org

Chris Evans, University of Illinois, Bugwood.org

Chris Evans, University of Illinois, Bugwood.org

Karan A. Rawlins, University of Georgia, Bugwood.org