Jil Swearingen, USDI National Park Service, Bugwood.org

Dan Tenaglia, Missouriplants.com, Bugwood.org

Chris Evans, University of Illinois, Bugwood.org

Chris Evans, University of Illinois, Bugwood.org

Steve Hurst, USDA NRCS PLANTS Database, Bugwood.org

Karan A. Rawlins, University of Georgia, Bugwood.org

Rebekah D. Wallace, University of Georgia, Bugwood.org

Greene Storm, St. John's University, Bugwood.org