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

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

Chris Evans, University of Illinois, Bugwood.org

Chris Evans, University of Illinois, Bugwood.org

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

Britt Slattery, US Fish and Wildlife Service, Bugwood.org

Britt Slattery, US Fish and Wildlife Service, Bugwood.org

Chris Evans, University of Illinois, Bugwood.org

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

Arthur E. Miller, USDA APHIS PPQ, Bugwood.org

Steve Hurst, USDA NRCS PLANTS Database, Bugwood.org

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

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

USDA NRCS PLANTS Database , Bugwood.org

USDA NRCS PLANTS Database , Bugwood.org