Smooth Patch Disease (Aleurodiscus oakesii)

Smooth Patch Disease, a reference photo — Photo: This image was created by user Patrick Harvey (pg_harvey) at Mushroom Observer, a source for mycological images.You can contact this user here. · CC BY-SA 3.0 (licence)

Aleurodiscus oakesii is a cluster of small, gray-white, irregular cup-shaped saprotrophic fungi that grows on decaying hardwood tree bark. This fungus may also be called hophornbeam discs, and it causes smooth patch disease. A. oakesii is found year round in North America, Europe, and Asia and is commonly found on oak trees.

From Wikipedia, under CC BY-SA 4.0.

Is it poisonous?

We have no record of Smooth Patch Disease being toxic, poisonous or venomous. That is not proof that it is safe. Never eat, touch or handle a wild plant, mushroom or animal on the strength of an identification; ask someone qualified.

Easily confused with

Aleurocystidiellum disciforme

Classification

Kingdom: Fungi
Phylum: Basidiomycota
Class: Agaricomycetes
Order: Russulales
Family: Stereaceae
Genus: Aleurodiscus
Species: Aleurodiscus oakesii

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