Brianna Shepherd, research specialist at Holden Forests & Gardens, measures the diameter of an American beech tree as part of a long-term study on the impacts of beech leaf disease. First observed ...

The mission of the American Chestnut ... other important tree species such as Dutch-elm disease and elm yellows (which devastated another American heritage tree, the American elm, Ulmus americana) and ...

A decade after the emergence of beech leaf disease (BLD) in northeast Ohio, a new study by researchers at The Holden Arboretum reveals that American ... also found that tree mortality was higher ...