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Shaggy ink cap (Coprinus comatus)

Edible with caution

The shaggy ink cap is a tall white mushroom with a shaggy cylindrical cap that dissolves into black ink. It is also known as the lawyer's wig.

Shaggy ink cap (Coprinus comatus) in the wild
Photo: Bigredwine1 / Wikimedia Commons · CC BY-SA 4.0
Scientific nameCoprinus comatus
Other namesSchopftintling · Coprin chevelu · Lawyer's wig
FamilyAgaricaceae
SeasonAug – Nov
HabitatGrass, roadsides, lawns and disturbed ground
RangeNorthern Hemisphere, widely introduced
Spore printBlack
SmellMild
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 Shaggy ink cap

Key identification clue: Tall shaggy white cap, gills that darken from the bottom up and dissolve into black liquid. Do not eat any that have started to blacken.
CapWhite with shaggy brownish scales, 5–15 cm tall, cylindrical to bell-shaped
UndersideCrowded white gills that turn pink and then black
StemWhite, hollow, with a thin ring that slides up and down
SmellMild
Spore printBlack

Is Shaggy ink cap edible or poisonous?

Edible with caution. Edible only when young, white and freshly picked. Must be cooked within a few hours of picking because it dissolves into black ink.

Shaggy ink cap look-alikes

The common ink cap (Coprinopsis atramentaria) is smooth, grey-brown and toxic with alcohol. Do not drink alcohol around any ink caps.

When does Shaggy ink cap grow?

Shaggy ink cap is typically found Aug – Nov in grass, roadsides, lawns and disturbed ground. See other mushrooms in season:

Frequently asked questions

Is Shaggy ink cap edible?

Shaggy ink cap (Coprinus comatus) is regarded as edible only with caution. Edible only when young, white and freshly picked. Must be cooked within a few hours of picking because it dissolves into black ink. 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 Shaggy ink cap look like?

White with shaggy brownish scales, 5–15 cm tall, cylindrical to bell-shaped. Underside: crowded white gills that turn pink and then black. Stem: white, hollow, with a thin ring that slides up and down.

What are the look-alikes of Shaggy ink cap?

The main look-alike is Common ink cap (Coprinopsis atramentaria). The common ink cap (Coprinopsis atramentaria) is smooth, grey-brown and toxic with alcohol. Do not drink alcohol around any ink caps.

When and where does Shaggy ink cap grow?

Shaggy ink cap is usually found from Aug to Nov. Habitat: grass, roadsides, lawns and disturbed ground. Range: Northern Hemisphere, widely introduced.

Found something like shaggy ink cap?

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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Related species

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