These trees also produce clusters of catkin flowers. The most common types of elm (Ulmus) are the American, rock, and slippery elm trees. While elms are originally from Asia, they span most of the ...

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

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 trees would typically have a ...

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 ...

Blog, Purdue Extension – FNR ID That Tree, Playlist, Red Elm, Siberian Elm, Winged Elm, Purdue Extension – Forestry and Natural Resources (FNR) YouTube Channel Invasive Species Playlist, Playlist, ...

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 ...

“I knew we had a pretty significant tree for this genus and species,” admits Steve Grigg ... circumference or diameter breast height of the elm tree, and turned out to be 17 feet, four ...