Contact: Andrea Estrada
University of California - Santa Barbara
Caption: This shows a range of chestnut trees that fell victim to chestnut blight. The disease, introduced to North America around 1900, is caused by the pathogenic fungus Cryphonectria parasitica.
Credit: University of California Santa Barbara
Usage Restrictions: None
Related news release: UCSB study shows forest insects and diseases arrive in US via imported plants