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

James H. Miller, USDA Forest Service, Bugwood.org

Chris Evans, University of Illinois, Bugwood.org

Chris Evans, University of Illinois, Bugwood.org

Chris Evans, University of Illinois, Bugwood.org

Chris Evans, University of Illinois, Bugwood.org

Chris Evans, University of Illinois, Bugwood.org

Nancy Loewenstein, Auburn University, Bugwood.org

David J. Moorhead, University of Georgia, Bugwood.org

Chuck Bargeron, University of Georgia, Bugwood.org

Chuck Bargeron, University of Georgia, Bugwood.org

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

USDA NRCS PLANTS Database , Bugwood.org

Steve Hurst, USDA NRCS PLANTS Database, Bugwood.org

USDA NRCS PLANTS Database , Bugwood.org