Jack Ranney, University of Tennessee, Bugwood.org

Great Smoky Mountains National Park Resource Management , USDI National Park 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

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

Troy Evans, Great Smoky Mountains National Park, Bugwood.org

Steve Hurst, USDA NRCS PLANTS Database, Bugwood.org

Chris Evans, University of Illinois, Bugwood.org

Chris Evans, University of Illinois, Bugwood.org

Chris Evans, University of Illinois, Bugwood.org