The Wye Oak was the largest white oak tree in the United States and the State Tree of Maryland from 1941 until its demise in 2002. Wye Oak State Park preserves the site where the revered tree stood for more than 400 years in the town of Wye Mills, Talbot County, Maryland.

Quercus alba, the white oak, is one of the preeminent hardwoods of eastern and central North America. It is a long-lived oak, native to eastern and central North America and found from Minnesota, Ontario, Quebec, and southern Maine south as far as northern Florida and eastern Texas. Specimens have been documented to be over 450 years old.