American elm is a common tree in many riparian forest areas or moist soil forest areas. The species used to be a common street tree in Indiana, but that number has dwindled due to Dutch elm disease, a ...

These 5 tree species are dying. Scientists are racing to save them. Invasives have largely wiped out the American chestnut and elm, caused “hell” with the beech, and are now wreaking havoc on ...

In this edition of ID That Tree, Purdue extension forester Lenny Farlee helps you identify American elderberry, a native shrub found in wetland areas and other areas with good-quality moist soils.

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 ...

Use leaf, structure, and texture to identify some of the most common North American trees.

Here is a list of the most common North American hardwood trees with links to their ranges, their identifying, and habitat descriptions, plus photos.

Prior to the introduction of Dutch elm disease, the native elm bark beetle was not a major pest. The two non-native species are more aggressive with drought-stressed American elms.

For decades, the American elm population has dwindled, and one of its greatest threats is the deadly Dutch elm disease, which has taken its toll on Brown’s campus, too. The tree removal ...

Residents in the Palmer Square neighborhood want a city ordinance to protect American elm trees dating to the 19th century that are among the handful that survived Dutch elm disease.

The American elm is Massachusett's state tree. According to the Secretary of State's office, this tree was chosen because George Washington took command of the Continental Army beneath an American ...