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 ...

The elm tree can return to the British countryside, given a helping hand, according to a new report. More than 20 million trees died during the 1960s and 1970s from Dutch elm disease. In the ...

Part of the work researchers are doing, partially funded by the Minnesota Invasive Terrestrial Plants and Pests Center, is analyzing elm trees that appear to be resistant to the disease, despite ...