Dave Powell, USDA Forest Service (retired), Bugwood.org

Chris Evans, University of Illinois, Bugwood.org

Great Smoky Mountains National Park Resource Management , USDI National Park Service, Bugwood.org

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

Steve Dewey, Utah State University, Bugwood.org

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

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

Bruce Ackley, The Ohio State University, Bugwood.org

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

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