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 > 🇨🇦+🇺🇸 Canada+USA Invasive > report it! Invasive > Michigan Invasive > Michigan (state site)

In areas where the disease is or may be present :

  • do not move oak firewood (ever), and
  • do not prune oaks February through June (Texas) or April 15 through July 15 (🇺🇸 USA Midwest and East).

How To Identify, Prevent, and Control Oak Wilt  Adobe Acrobat Reader file Info from the Tree Doctor at MSU (archived) "Oak Wilt Part 2:  Horror Stories" by Plant Doctor at MSU.  Adobe Acrobat Reader file

Learn more about oak wilt disease (OWD) Bretziella fagacearum

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