According to the American Forestry Association, the Owensboro sassafras has been a "tree champion" since 1956.

SEQUOIA NATIONAL PARK, California (AP) — High in the evergreen canopy of General Sherman, the world’s largest tree, researchers searched for evidence of an emerging threat to giant sequoias: bark ...

The largest tree in Olympia, left, was identified as a Giant Sequoia that measures 31 feet and 11 inches in circumference. The largest single redwood, right, measures 30 feet in circumference. Just ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. SEQUOIA NATIONAL PARK, California (AP) — ...