Events

Introduced Plant Pathogens Threatening North American Forests Introduced plant pathogens threaten North American forests. Some arrived in the distant past: chestnut blight, white pine blister rust, beech bark disease, Dutch elm disease, butternut canker. Damaging introductions continue through the late 20th Century (sudden oak death, laurel wilt) and recent decades (ohia rust, Fusarium blight, rapid […]