Charles T. Bryson, USDA Agricultural Research Service, Bugwood.org

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

Theodore Webster, USDA Agricultural Research Service, Bugwood.org

Bruce Ackley, The Ohio State University, Bugwood.org

Bruce Ackley, The Ohio State University, Bugwood.org

Leslie J. Mehrhoff, University of Connecticut, Bugwood.org

Leslie J. Mehrhoff, University of Connecticut, Bugwood.org

Leslie J. Mehrhoff, University of Connecticut, Bugwood.org

Bruce Ackley, The Ohio State University, Bugwood.org

Steve Hurst, USDA NRCS PLANTS Database, Bugwood.org

Chris Evans, University of Illinois, Bugwood.org