American Tar Spot

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Rhytisma americanum

American Tar Spot, a reference photo
Photo: Alexander Abair · CC BY 4.0 (licence)

Rhytisma americanum is a species of ascomycete fungus in the family Rhytismataceae. It was described in 1998 by W. Hudler and M. Banik in the journal Mycotaxon. The species belongs to the genus Rhytisma, a group of tarspot fungi within the order Rhytismatales.

From Wikipedia, under CC BY-SA 4.0.

Is it poisonous?

We have no record of American Tar Spot 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

Classification

Kingdom
Fungi
Phylum
Ascomycota
Class
Leotiomycetes
Order
Rhytismatales
Family
Rhytismataceae
Species
Rhytisma americanum

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