The most common North American deciduous trees are elm, willow, beech, cherry, birch, and basswood. These trees each have their own unique qualities, from the heart-shaped leaves of the birch to ...

The English Elm tree is 125 years old. It has a height of 81 feet and a canopy spread of 81 feet.

BECKET — There’s a tiny insect new to Berkshire County that is munching on leaves, giving some trees a ghostly, wintry appearance even in the midst of summer — entirely defoliating elms. The elm ...

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 ...

There are 600,000 pieces of living history in Brooklyn: trees. They fill the borough’s parks, line its streets, and shade its ...

Use leaves, fruit, and flowers to identify hardwood trees common to North American forests. Learn about species characteristics and locations.

An apple may not fall far from the tree, but for a leaf, it depends on its shape. Elm or apple leaves — oval and symmetrical, with few protruding lobes — fall quickly, making them likely to ...

American elm trees (Ulmus americana) were once very common as forest and landscape trees in the eastern U.S. Their graceful vase shape and wide canopy made them especially popular for lining city ...

In their larval stage, the elm zigzag sawfly can cause "significant defoliation" of their host elm tree's leaves.

The English elm tree in Buchanan dethroned the previous state champion in Harrisonburg on Virginia Tech's list.

The elm zigzag sawfly eats a distinctive pattern into leaves that can be damaging and deadly to the elm tree. (Photo: Kelly Oten/NC State).