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Oyster mushroom (Pleurotus ostreatus)

Edible (expert ID)

Oyster mushrooms grow in overlapping shelf-like clusters on wood, with grey to brown caps and white gills that run down a short stem.

Oyster mushroom (Pleurotus ostreatus) in the wild
Photo: voir ci-dessous / see below / Wikimedia Commons · CC BY 3.0
Scientific namePleurotus ostreatus
Other namesAusternseitling · Pleurote en huître · Orecchione · Seta de ostra
FamilyPleurotaceae
SeasonSep – Mar
HabitatClusters on dead and dying broadleaf trees, especially beech
RangeEurope, North America and Asia
Spore printWhite to lilac-grey
SmellMild, faintly of anise
Safety first. Never eat a wild mushroom based on an app or a website. Confirm identification and edibility in person with a qualified local expert. Cooking, drying and freezing do not remove most mushroom toxins.

How to identify Oyster mushroom

Key identification clue: Shell-shaped caps in shelves on wood, decurrent white gills, white to lilac-grey spore print and a mild smell.
CapGrey-brown to blue-grey, 5–20 cm, shell-shaped and smooth
UndersideWhite to cream gills running down the stem
StemShort, off-centre or absent
SmellMild, faintly of anise
Spore printWhite to lilac-grey

Is Oyster mushroom edible or poisonous?

Edible (expert ID). Regarded as edible when correctly identified and well cooked. Wood-growing shelves in some regions, including a toxic Omphalotus look-alike, need careful checking.

Oyster mushroom look-alikes

Angel wings (Pleurocybella porrigens) are thinner and pure white, and have been linked to serious poisonings in people with kidney disease. In Australia, the ghost fungus (Omphalotus nidiformis) is a poisonous lookalike.

When does Oyster mushroom grow?

Oyster mushroom is typically found Sep – Mar in clusters on dead and dying broadleaf trees, especially beech. See other mushrooms in season:

Frequently asked questions

Is Oyster mushroom edible?

Oyster mushroom (Pleurotus ostreatus) is regarded as edible by field guides when it has been correctly identified and properly cooked. Regarded as edible when correctly identified and well cooked. Wood-growing shelves in some regions, including a toxic Omphalotus look-alike, need careful checking. Never eat a wild mushroom based on an app or a website. Confirm identification and edibility in person with a qualified local expert.

What does Oyster mushroom look like?

Grey-brown to blue-grey, 5–20 cm, shell-shaped and smooth. Underside: white to cream gills running down the stem. Stem: short, off-centre or absent.

What are the look-alikes of Oyster mushroom?

Angel wings (Pleurocybella porrigens) are thinner and pure white, and have been linked to serious poisonings in people with kidney disease. In Australia, the ghost fungus (Omphalotus nidiformis) is a poisonous lookalike.

When and where does Oyster mushroom grow?

Oyster mushroom is usually found from Sep to Mar. Habitat: clusters on dead and dying broadleaf trees, especially beech. Range: Europe, North America and Asia.

Found something like oyster mushroom?

Photograph it with Mushie for possible matches, look-alike warnings and an AI guide for follow-up questions. Results are suggestions, never a safe-to-eat verdict.

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Sources and credits: written from standard field-guide references. Further reading: Wikipedia: Pleurotus ostreatus. Last updated 2026-10-22. Editorial policy.