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

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

Catherine Herms, The Ohio State University, Bugwood.org

Catherine Herms, The Ohio State University, Bugwood.org

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

Catherine Herms, The Ohio State University, Bugwood.org

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

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

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

D. Walters and C. Southwick, USDA, Bugwood.org

D. Walters and C. Southwick, USDA, Bugwood.org