The beech trees that grace Oyster Bay’s Planting Fields Arboretum State Historic Park are at risk due to two life-threatening diseases — including one that’s proved “startling” and very difficult to ...

A new study found differences at the cellular level of leaves from infected Beech trees -- variations that may account for tree mortality. Beech trees provide food for animals, timber for wood ...

A leaf from a tree in West Rock Ridge State Park in New Haven shows symptoms of infection from Beech Leaf Disease. Beech trees provide food for animals, timber for wood products, and sustenance for ...

A new disease impacting 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 ...

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 ...

In the early part of the 20th century, the American chestnut was ravaged by an invasive fungus that arrived from Asia. That fungus made the American chestnut functionally extinct, and although some ...

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 ...

The American beech, Fagus grandifolia, is a North American staple and the dominant species in many northeastern forests. In 2012, a new disease was first spotted, infecting trees in northeastern Ohio.

Add Yahoo as a preferred source to see more of our stories on Google. A beech tree at Morton Park in Plymouth shows advanced beech leaf disease with loss of leaves and branch dieback. The beech tree, ...

An invasive tree disease first detected in Michigan over the summer has now been found in three southeast Michigan counties, state officials said. The Michigan Department of Natural Resources reports ...

She said the problem is microscopic worms called nematodes are eating the trees, which can cause the trees to die rapidly. According to the state, the first infected tree was found in Plymouth County ...