Bark beetles moving between trees routinely carry two fungi that are responsible for the Dutch elm tree disease outbreak.

Barren, dead American elm trees along Ogden River are seen from a residence about three miles up Ogden Canyon on Wednesday, Oct. 9, 2019. The line of trees used to have full canopies, providing ...

Getting your Trinity Audio player ready... Dutch elm disease has been reported back in Denver after more than a decade of its absence. The Denver forestry office discovered the disease last month in ...

A Smooth-Leaf Elm, severely injured and clinging to life for four years at the Brooklyn Botanic Garden, was cut across its trunk and finally put to rest. A stump is all that remains of a 56-foot ...

We had an old elm tree cut down a number of years ago but left the trunk about 15 feet, as I would like to save it for use as a piece of chain saw art. The tree kept growing from the top and ended up ...

For centuries, the American elm tree dotted the Eastern United States with its wide, spindly canopy, it branches splitting away from the trunk into an arching umbrella of leaves. But as a University ...

ROANOKE, Va. (AP) — Students squinting along a sunny stretch of sidewalk outside the Roanoke College library find a moment of cool refuge beneath the leafy shade of an old, but steady-growing champion ...