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BRIANNE LEDDA/THE STATESMAN “A tree came down, look at that.” Sue Avery, a botanist and certified landscaper, examines a thin wire cage along the border of the Ashley Schiff Preserve on campus.  A slender sapling grows in the center, hardly visible against a backdrop of leaves and debris. It’s barely mid-April too early for the shoot to have grown leaves. A fallen tree rests barely a foot away; a few inches closer, and it might have crushed the sapling. Avery isn’t sure about the exact origin of the sapling. “It came from a batch of fertilized nuts collected from blight-resistant trees or from results of cross-pollination between flowering trees on Long Island,” she said. A fungus, also known as chestnut blight, wiped out mature American chestnut trees in the 1950s.

New yorkUnited statesStony brookLong islandWilliam macdonaldNikolaos nantsisGilbert hansonAmerican chestnut foundationVirginia universityUniversity of new yorkAmerican chestnut foundation long islandCollege of environmental scienceAshley schiffAshley schiff preserveWest virginia universityGeosciences professor gilbert