The community is encouraged to help save the trees by looking for the signs of Dutch Elm Disease to help stop the spread of the disease.

Ryan Murphy and Ben Held, co-investigators on the U’s disease-resistant elm selection and reintroduction program, want to ...

You can identify cottonwoods by spotting the cotton ... The most common types of elm (Ulmus) are the American, rock, and slippery elm trees. While elms are originally from Asia, they span most ...

Elm trees have leaves that are doubly toothed around the margins and are usually asymmetrical at the base. They grow in an alternating pattern along the stem. Some elm leaves are smooth on one ...

The disease is actually caused by two groups of invasive species: several varieties of elm bark beetle and two related fungi. The beetles spread the fungi from tree to tree, where they attack ...

North Bay is losing the battle to save its Elm and Ash trees, but the city is holding its ground when it comes to tree canopy cover. “We’re losing a lot of trees in North Bay,” said Hal Falk, owner ...

The species is also important for wildlife, providing nutritional seeds and protective shelter for migratory birds. Preservationists are keen to protect native trees like the American elm ...

The oldest elm tree in Portland and possibly all of ... replace the grand but potentially dangerous elms with other tree species over time, sparking heated objections from some city activists.

As of Aug. 30, a total of four trees have tested positive for the disease, the city said in a statement Tuesday. Dutch elm disease is a costly and deadly fungus that poses a threat to all species ...

TANNERSVILLE — Marc Wolf steps off a trail at the Mountaintop Arboretum to examine a beech tree with mottled, bumpy bark. “This is pretty typical of beech bark disease,” he said. “Beech ...