Formerly known as Ceratocystis fagacearum.  Part of 🍄︎ fungus / mushroom  kingdom Fungi.

A fungal disease affecting all species of oak  genus Quercus.   Invasive > learn+quiz Invasive > in USA+Canada Invasive > report it! Invasive > in Michigan Invasive > in Michigan (state site)

In areas where the disease is or may be present :

How To Identify, Prevent, and Control Oak Wilt (.pdf) Info from the Tree Doctor at MSU (archived)

Learn more about oak wilt disease (OWD) Bretziella fagacearum

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