John Cardina, The Ohio State University, Bugwood.org

Mary Ellen (Mel) Harte, Bugwood.org

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

John Cardina, The Ohio State University, Bugwood.org

Bruce Ackley, The Ohio State University, Bugwood.org

Mary Ellen (Mel) Harte, Bugwood.org

Mary Ellen (Mel) Harte, Bugwood.org

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

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

John Cardina, The Ohio State University, Bugwood.org

Vern Wilkins, Indiana University, Bugwood.org

Bruce Ackley, The Ohio State University, Bugwood.org