Invasives have largely wiped out the American chestnut and elm, caused “hell” with the beech, and are now wreaking havoc on the eastern hemlock and white ash Signs of beech bark disease on the bark of ...

TANNERSVILLE — Marc Wolf steps off a trail at the Mountaintop Arboretum to examine a beech tree with mottled, bumpy bark. “This is pretty typical of beech bark disease,” he said. “Beech trees would ...

Sara Fitzsimmons fights to resurrect a tree that once ruled the eastern U.S. forests. Billions of American chestnut trees once shaped life in Appalachia, but a foreign fungus erased them in a matter ...

Add Yahoo as a preferred source to see more of our stories on Google. Erie has a Chestnut Street. So do Cranesville and Corry, Girard and Lake City, Edinboro, Waterford and North East. There's a ...

CRESSONA — Seeds lying deep inside a sleepy hillside orchard could play a crucial role in the regeneration of the embattled American chestnut tree. Early Friday morning, a team of volunteers dropped ...

Scientists like to say that their work usually proceeds two steps forward and one step back. But sometimes that’s optimistic. Case in point: A scientific effort I’ve been writing about since 2010, the ...

You don't have to be a botanist or cultivator to help bring back the American chestnut tree, which all but disappeared from the United States due to a deadly blight. The American Chestnut Foundation, ...