In September 2023, after a tornado hit north of St. Charles, Scott Hewitt loaded up his chainsaw and went to help a friend remove a fallen tree blocking her driveway. Hewitt, who had just been hired ...

Marc Wolf steps off a trail at the Mountaintop Arboretum to examine a beech tree with mottled, bumpy bark. “This is pretty typical of beech bark disease,” he said. “Beech trees would typically have a ...

Noticing leaves on the ground under ash and maple trees causes us to look up into the trees where spots are seen on the ...

Trees forming partnerships with two different types of mycorrhizal fungi can better withstand drought and nutrient scarcity.