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

Theodore Webster, USDA Agricultural Research Service, Bugwood.org

John Cardina, The Ohio State University, Bugwood.org

John Cardina, The Ohio State University, Bugwood.org

Lesley Ingram, Bugwood.org

Ohio State Weed Lab , The Ohio State University, Bugwood.org

Ohio State Weed Lab , The Ohio State University, Bugwood.org

Ken Chamberlain, The Ohio State University, Bugwood.org