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

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

A cedar tree climbed by The Beatles, an oak that may have inspired Virginia Woolf, and a lime representing peace in Northern ...

More than 500 native plants in San Diego County are held in a Native Seed Bank at the zoo. Those seeds are dried down to a ...

Cryopreserved samples from 18 endangered Nuttall's scrub oak trees were added to the San Diego Zoo Wildlife Alliance's Frozen ...

Browse 28,800+ oak leaf stock illustrations and vector graphics available royalty-free, or search for oak tree or acorn to find more great stock images and vector art.