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 ...

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 ...

Saskatoon city hall is expecting a big increase in Dutch elm disease cases this year after a record 41 positive diagnoses ...

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 ...

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 ...

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 ...

CENTRAL PARK, Manhattan (PIX11) — After 160 years, a legendary tree will be cut down in Central Park. The century-old elm tree at the iconic Tavern on the Green restaurant will be removed after the ...