Brown University’s 155-acre campus is home to thousands of trees and is recognized for its impressive American elm collection. Last year, the campus lost an iconic community fixture, an elm tree ...

Saving the American elm. American elms long thrived in eastern North America, where they were natural water regulators, protecting the ecosystem from flooding with their sturdy roots and trunks ...

All living things die, which is too often perceived as a negative phenomenon. Yet, forest mortality yields an opportunity for both change and rejuvenation. These dynamics are wonderful to witness, and ...

Purdue Landscape Report: We have received a few elm tree samples this year with a disease we do not often see, but which is relatively common: black spot of elm.This disease, also called elm ...

Dead man’s fingers (Xylaria polymorpha) ... plum, American elm, Norway maple, and honeylocust. “A lot of fungi just kind of take advantage of already weakened and stressed plants.

Dead limbs on a mature American Elm is an indicator of Dutch elm disease. This tree photographed in August on 16th Street in north Bismarck is scheduled to be removed from the city's forest canopy.

“Removal of the American elm tree near University Hall was one part of those preparations,” he said. “Given the risks a dead tree can pose, it was important to be able to proceed with removal and ...

Regina is battling an early surge of Dutch elm disease, with 17 infected trees confirmed so far this year. Acting parks ...

Stressed Siberian elm trees, left, next to an American elm, right, at Billings West High recently. Courtesy photo Dead branches are seen on stressed Siberian elm trees at Billings West High on Friday.

However, for decades, the American elm population has dwindled, and one of its greatest threats is the deadly Dutch elm disease, which has taken its toll on Brown’s campus, too.The disease has ...