A few elm zigzag sawfly larvae were first found on trees in early July and were then officially confirmed by the U.S. Department of Agriculture's Animal and Plant Health Inspection Service on July 21.

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 tree removal ...

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 ...

PORTLAND, Ore. (K O IN) — A tree representing a piece of Oregon history is entering its final days. Despite efforts from arborists and experts to save an “iconic” 154-year-old elm tree in ...

Ash trees were planted in many urban forests in Minnesota to replace elm trees decimated by Dutch elm disease, Venette said. “It’s all part of growing a more diversified urban forest,” he said.

PORTLAND, Ore. — A downtown Portland landmark took its final bow on Monday, as the city cut down a tree that's stood for more than 150 years. The towering, iconic elm tree has stood at 1111 ...

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 ...