The Big Tree is a nearly 400-year-old burr oak tree near the Missouri River in Boone County, Missouri. It is tied for National Champion, representing the largest tree of its species in the United Stat

Quercus macrocarpa, the bur oak or burr oak, is a species of oak tree native to central and eastern North America. It is in the white oak section, Quercus sect. Quercus, and is also called mossycup oa