cork tree

The material is generated by harvesting the bark from cork trees.

Conservation technician Drew Goebel at Cincinnati City Parks said one example is the cemetery's beautiful Amur cork tree, a state-record tree.

Some researchers theorize that death caps immigrated in the soil of a cork tree transported from Europe to California to make corks for a then burgeoning wine industry.

From a distance, amid gnarled cork trees and a few low-slung farmhouses, its form evokes a massive open gray cardboard box.

Cork comes from the bark of a cork tree; you don’t kill the tree to harvest it.