Ohio and Pennsylvania programs aim to stop the spread of the invasive Callery pear tree, which has taken over the two states and threatens native species.

In North Dakota, this common name refers to Ulmus pumila, which is known within the tree industry as Siberian elm. If you go ...

In the face of mounting threats from climate change, mixed species forests have been called an "insurance policy" for UK ...

The Ruxton Liberty Tree, a majestic white oak, has stood witness to nearly four centuries of history from its vantage point alongside what is now Bellona Avenue.