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Gilled mushrooms

Shaggy inkcap

Coprinus comatus · also known as: Lawyer's wig, Shaggy mane

EdibleApproved for sale

A good edible mushroom – only young, closed, completely white fruit bodies; within a few hours they digest themselves (autolysis) into a black goo. Research has shown that – contrary to older field guides – it does not react with alcohol; but do not confuse it with the common inkcap, which is poisonous together with alcohol.

Shaggy inkcap (Coprinus comatus) – fruiting bodies in their natural habitat
Photo: Jerzy Opioła / Wikimedia Commons, CC BY-SA 3.0

How to recognise it: shaggy inkcap

  1. 1

    Tall, cylindrical, white cap with raised scales

  2. 2

    Gills from white through pink to black, dissolving

  3. 3

    Movable ring on a hollow stem

  4. 4

    Lawns and verges, often in towns

Description

Cap
Tall (5–15 cm), egg-shaped, then cylindrical to bell-shaped; white with a bare ochre-brown top, covered with coarse, raised, overlapping (shingled) scales; from the margin turns pink, black and dissolves.
Gills
Gills very crowded, white, then pink, finally black and dissolving. Spore print black.
Stem
6–20 cm, white, slender, hollow, easily breaks away from the cap; with a white, movable ring that often slips down to the base.
Flesh
White, thin and brittle in the cap; turns black as it matures.
Smell and taste
Smell pleasant, indistinct; taste mild.

Where and when it grows

Near people: lawns (especially newly laid ones), gardens, parks, road and street verges, fertilised meadows, rubbish dumps, forest edges; saprotrophic, usually gregarious.

Season in Poland (April–November)

April, May, June, July, August, September, October, November

Where are conditions good today?

Look-alikes: what it can be mistaken for

  • Common inkcap Edible with care medium risk

    The common inkcap has a SMOOTH, grey or grey-brown cap without raised white scales, grows in clusters by stumps and buried wood, and causes poisoning when combined with alcohol. Pick only white, scaly specimens.

In the kitchen

Cook immediately after picking (preferably within a few hours), because it dissolves quickly; not suitable for storing or drying. For soups, dark sauces, fried in batter; do not drown it in garlic.

Protection and sale

  • Species protection: the species is not protected.
  • Sale: the species is on the list of mushrooms approved for sale (it may be sold only with a mushroom inspector’s certificate). Listed in Annex 1 as “czernidłak kołpakowaty – Coprinus comatus”.

Where you may pick mushrooms →

Shaggy inkcap: common questions

Is the shaggy inkcap edible?

Edible. A good edible mushroom – only young, closed, completely white fruit bodies; within a few hours they digest themselves (autolysis) into a black goo. Research has shown that – contrary to older field guides – it does not react with alcohol; but do not confuse it with the common inkcap, which is poisonous together with alcohol.

When does the shaggy inkcap grow?

In Poland the fruiting bodies usually appear in: April, May, June, July, August, September, October, November. Habitat: Near people: lawns (especially newly laid ones), gardens, parks, road and street verges, fertilised meadows, rubbish dumps, forest edges; saprotrophic, usually gregarious.

What can the shaggy inkcap be mistaken for?

Common inkcap (edible with care): The common inkcap has a SMOOTH, grey or grey-brown cap without raised white scales, grows in clusters by stumps and buried wood, and causes poisoning when combined with alcohol. Pick only white, scaly specimens.

Sources

  1. Czernidłak kołpakowaty – Wikipedia (PL)
  2. Coprinus comatus – Atlas grzybów Polski (grzyby.pl, M. Snowarski)
  3. Coprinus comatus – First Nature
  4. Rozporządzenie Ministra Zdrowia w sprawie grzybów dopuszczonych do obrotu… – tekst jednolity Dz.U. 2026 poz. 258 (załącznik nr 1)

Last checked: 9 November 2026. Spotted a mistake? Write to us.

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