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

U.S. Army Corps of Engineers Forester Andy Meier inspects an elm tree on the Mississippi River for possible signs of Dutch elm disease, which has wiped out many of the elms in the river's floodplain ...

On the St. Paul campus of the University of Minnesota, rows of tiny elm trees sprout in a test field run by University researchers. These elms are a series of new trees cloned by the University that ...

The 36 trees planted last week at Boutwells Landing senior living community in Oak Park Heights have a big job: To help revitalize the state’s elm population. The American elm trees, each about 2 ...

In early July, Denver’s forestry team discovered that Dutch elm disease – a fungal tree killer that targets American elms – was back after a twelve-year absence from the city. While the team is hoping ...

Your Reporter Kelly Werthmann specializes in coverage of Aurora. She also anchors CBS Colorado's weekend evening newscasts. Share you story ideas with her by sending an email to [email protected].

Dutch elm disease has been present in the United States since the 1920s, when it began its rapid spread across elm populations, killing most American elms. Every year the disease continues to spread ...

A city council committee backs seeking $100,000 from federal program to help assess the tree inventory this year, part of a ...

The American elm (Ulmus americana) was once a common sight on the Upper Mississippi River, but Dutch elm disease, or DED, has killed many trees. DED is an invasive fungal pathogen that is spread by ...

OGDEN CANYON, Utah — A fungal tree disease, which has destroyed millions of trees in the United States, has been detected in Utah for the first time. “We were sick to our stomachs thinking about what ...