James H. Miller, USDA Forest Service, Bugwood.org

Bruce Ackley, The Ohio State University, Bugwood.org

Mary Ellen (Mel) Harte, Bugwood.org

Robert Vidéki, Doronicum Kft., Bugwood.org

Chris Evans, University of Illinois, Bugwood.org

Chris Evans, University of Illinois, Bugwood.org

Chris Evans, University of Illinois, Bugwood.org

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

Steve Dewey, Utah State University, Bugwood.org

Catherine Herms, The Ohio State University, Bugwood.org

Joseph M. DiTomaso, University of California - Davis, Bugwood.org