The federal government webpage says a fungus called Bretziella fagacearum causes oak wilt.
It says red oak trees are especially vulnerable and can be killed in a single season.
The federal government webpage says a fungus called Bretziella fagacearum causes oak wilt.
It says red oak trees are especially vulnerable and can be killed in a single season.
It’s been near the border for well over a decade in Michigan according to the distribution maps published by the states.