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Van Pelt repeated the method on 11 more trees, including bur oak, scarlet oak and the pecan.

Each acorn was painted with colored bands to indicate its species: red oak, bur oak, black oak, white oak, swamp white oak, scarlet oak, pin oak, willow oak.

Adams pointed to an outbreak of blight among bur oaks across the Midwest.

His ashes are buried under a bur oak she can see from the kitchen window.

Hundreds of trucks and trailers lined up recently for a grocery chain’s offer of an 80% discount on 2,500 bur oak trees that were up to 10 feet tall and would typically cost $500.