After many kilometres, the chain on my bike comes off next to a majestic oak. The tree becomes Quercus: a friend, a confidant ...

The oak is often a symbol of solidity and permanence, but the secret of the tree’s success may be in its ability to adapt and ...

White oaks (Quercus alba) are durable, large canopied, long-lived trees that grow slowly and are common in southern Wisconsin ...

Black oak (Quercus velutina) is a deciduous, medium-to-large oak tree is commonly found in the eastern half of the United States. A black oak tree can be identified by its bark and leaves.

Highly valued economically, ecologically and culturally, the white oak (Quercus alba) is a keystone forest species and is one of the most abundant trees across much of eastern North America. It ...

The shrub-like oak tree has been a fixture of the landscape since ... An accompanying conservation plan would convey the 30-acre rocky outcrop that hosts the Quercus palmeri, or Palmer’s oak, ...

Oaks are so common that they are the official tree of several states, including Georgia, Maryland, New Jersey, Connecticut, Illinois, and Iowa. While all oak trees belong to the same genus (Quercus), ...

The iconic Big Tree, a 1,000-plus,-year-old coastal live oak at Goose Island State park near Rockport, before the Hurricane Harvey. The tree, one of the largest coastal live oaks in Texas ...

The red-oak family includes northern red oak (Quercus rubra), scarlet oak (Quercus coccinea), shingle oak (Quercus imbricaria), Shumard oak (Quercus shumardii), and the long-popular home-landscape ...

Named for its jarring call, the largest native tree frog in the U.S.—typically 2 to 2.75 inches long—spends the warm months in the branches of live oaks and burrows beneath the roots in winter.

In “Oak Origins,” the evolutionary biologist Andrew L. Hipp traces Quercus’s mighty family tree back millions of years to its modest roots, when a single population began to diverge from its ...