Note: Select the link to view a larger image.

Bark with the typical flat, gray patches

Photo credit: David Stephens, Bugwood.org

Leaves showing upper and lower surfaces

Photo credit: Larry Korhnak, University of Florida

Acorn and leaves

Photo credit: Franklin Bonner, USFS (ret.), Bugwood.org

Foliage starting to turn color in the fall

Photo credit: Chris Evans, Illinois Wildlife Action Plan, Bugwood.org