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

Steve Dewey, Utah State University, Bugwood.org

Bruce Ackley, The Ohio State University, Bugwood.org

Bruce Ackley, The Ohio State University, Bugwood.org

Steve Dewey, Utah State University, Bugwood.org

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

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

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

John D. Byrd, Mississippi State University, Bugwood.org

John D. Byrd, Mississippi State University, Bugwood.org

Bruce Ackley, The Ohio State University, Bugwood.org