American beeches have been suffering recently from a disease widespread in both Connecticut landscapes and forests.

But there’s hope, and that’s where Holden Arboretum is playing an important role, whether it’s researching spread of the disease, experimenting with insecticides, or trying to clone trees that are ...

Beech leaf disease, characterized by linear bands on the tree’s leaves, was first noticed in American beech trees by Ohio biologist John Pogacnik. John Pogacnik/Lake Metroparks Ohio biologist John ...

Above: This photo tells an entire story. Taken at Roan Mountain State Park in Tennessee in January, it shows most of the deciduous trees are bare. However, you can easily see the light tan colors of ...

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Beech trees across the state are seeing worsening symptoms of the fast-spreading complex beech leaf disease, according to the Maryland Department of Agriculture. The disease affects all beech species, ...

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 ...

Brown leaf: Dark bands may remain visible on affected leaves during winter. Photo courtesy of Ontario Ministry of Natural Resources Forestry. (L); Withered leaves: Thick bands of leaf tissue may turn ...

HOPKINTON — A disease that can be deadly to beech trees was found for the first time in Rhode Island this summer, threatening thousands of the trees known for their smooth, silver-gray bark. A ...