American elms are elegant and beautiful native North American trees. Sadly, their numbers have been decimated by Dutch elm disease, which is caused by a pathogenic fungus called Ophiostoma novo-ulmi.

A Brighton woman, fearful a 100-year-old dead tree will fall onto her home, is asking for an assist in its removal.

The shape of trees, in part, is caused by genetics. A Red Maple has a different shape and structure than an American Elm tree ...

Video | An elm tree in Brattlebrook Park is protected from Dutch Elm Disease by Elm Watch. PITTSFIELD — It's been a while since Priscilla Rafuse would play in Brattle Brook Park under the giant ...

The concepts, techniques, and gene cassettes we develop for the American chestnut will have broad applications in managing diseases affecting other important tree species such as Dutch-elm disease and ...

Tulip Poplar and American Elm. Back by popular demand are the Wildlife Tree Pack, Pollinator Tree Pack and a Wild Berry Pack, which includes five types of native trees to produce the perfect ...