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 ...

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 ...

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 ...

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 ...

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. A Dutch elm tree ...

A 200-year-old American elm tree stood condemned, finally succumbing, it seemed, to the disease that has killed off hundreds of thousands of other elms in Minnesota. The tree, one of the few old elms ...

There is a substance oozing from the trunk of my elm tree. What is this and what should I do to solve this problem? Your tree appears to have slime flux, which is a very common bacterial disease that ...

MINNEAPOLIS — A 200-year-old American elm tree stood condemned, finally succumbing, it seemed, to the disease that has killed off hundreds of thousands of other elms in Minnesota. The tree, one of the ...