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The flat bark of blackgum often shows patches of lichen
Photo credit: Larry Korhnak, University of Florida

An individual leaf of blackgum
Photo credit: Larry Korhnak, University of Florida

Leaves of blackgum
Photo credit: Chris Evans, Illinois Wildlife Action Plan | Bugwood.org

Leaves and maturing fruits of blackgum
Photo credit: Franklin Bonner, USFS (ret.) | Bugwood.org