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).

Uses by native peoples
(Ethnobotany database)

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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