Also known as white walnut, this species has slowly disappeared from the landscape due to a fungal disease. Butternut canker can cause large dead spots on the tree and can even girdle the tree and ...

The most serious threat to butternut trees has been an infection known as the butternut canker, caused by a fungus that targets butternuts. According to the federal government, the disease has ...

The most serious threat to butternut trees has been an infection known as the butternut canker, caused by a fungus that targets butternuts. In this shot from above the Taymouth preserve, the CBC's ...