Peziza domiciliana

Home Cup, a reference photo
Photo: Britney (Riverdweller) · CC BY-SA 3.0 (licence)

Peziza domiciliana, commonly known as the domicile cup fungus, is a species of fungus in the genus Peziza, family Pezizaceae. Described by English mycologist Mordecai Cubitt Cooke, the fungus grows on rotten wood, drywall/plasterboard, and plaster in homes, damp cellars, and basements. It is known from Eurasia, North America, and Antarctica.

From Wikipedia, under CC BY-SA 4.0.

Is it poisonous?

We have no record of Home Cup 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
Pezizomycetes
Order
Pezizales
Family
Pezizaceae
Genus
Peziza
Species
Peziza domiciliana

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