Pennsylvania naturalists are keeping an eye on a disease that has been killing beech trees in the eastern U.S. for more than a decade, but has begun spreading more rapidly in the past three years.

In just a decade, this unusual disease has spread from Ohio across the Northeast. Scientists are testing treatments, but answers come slowly. Backlit leaves of an American beech tree show dark bands, ...

A new tree disease has spread in forests in Massachusetts, joining invasive pests and climate change as top priorities for foresters to address. The state has found beech leaf disease in more than 90 ...

Add Yahoo as a preferred source to see more of our stories on Google. DETROIT – Beech leaf disease has been found in Michigan, making it the ninth state across the country with confirmed cases of the ...

A new disease affecting beech trees has spread across the state, and foresters in the northeast believe it could be potentially devastating. Beech leaf disease was first detected in Ohio in 2012 and ...

There’s a disease wreaking havoc on beech trees in Pennsylvania. Beech leaf disease currently is found in all but two of the state’s 67 counties. Caused by microscopic nematodes, the disease infects ...

Local landowners are encouraged to check their beech trees for signs of invasive beech leaf disease after the disease was found in St. Clair County earlier this year. The disease causes characteristic ...

Add Yahoo as a preferred source to see more of our stories on Google. Beech trees across the state are seeing worsening symptoms of the fast-spreading complex beech leaf disease, according to the ...

That's the way Meredith Cochran describes the young stand of beech trees that is dying on the upper reaches of land she owns in Hancock behind her house. Three years ago, Cochran first noticed the ...

BOLTON, N.Y. (NEWS10) – A disease threatening one of the Adriondack Park’s most commonly-sighted trees has reared its head. Last week, the Adirondack Park Invasive Plant Program (APIPP) reported a ...

Canopy symptoms: Striping and curling, characteristics of beech leaf disease, are visible on the leaves of understory trees in the affected woodlot in St. Clair County. (Michigan Department of Natural ...