Species details

Clouded agaric

Clitocybe nebularis

Extra caution required
Clouded agaric – Clitocybe nebularis

Photo: Daniel Ullrich (Threedots) · CC BY-SA 3.0 · Photo source · License

Description

A large grey to grey-brown funnel mushroom with crowded pale gills and a strong characteristic smell.

Identification features

Gills are slightly decurrent; it can cause gastrointestinal upset in some people.

Identification checklist

Check the entire fruitbody for identification. A large grey to grey-brown funnel mushroom with crowded pale gills and a strong characteristic smell. Gills are slightly decurrent; it can cause gastrointestinal upset in some people. Typical habitat: Deciduous and coniferous woodland, often in large groups or fairy rings.

Detailed features

Cap
6–18 cm, initially hemispherical with a strongly inrolled margin, later expanded and depressed centrally, grey with a whitish bloom.
Hymenophore
Gills yellowish-white, crowded, narrow and somewhat decurrent.
Stem
6–10 × 1.5–3 cm, stout, whitish to grey-brown, often enlarged toward the base.
Flesh
White, firm when young, later softer and fibrous.
Smell
Strong, sourish and unpleasant to many people.
Spore print
Yellowish.

Size

Cap diameter
6–18 cm
Stem height
6–10 cm
Stem diameter
1,5–3 cm

Habitat

Deciduous and coniferous woodland, often in large groups or fairy rings.

Fruiting period

August, September, October, November, December

Ecology

Trophic mode
Saprotrophic
Substrate
Leaf litter
Notes
A saprotroph on decaying leaf litter, often forming large groups or rings late in autumn.

How to separate similar species

Compare especially with these similar species: Entoloma sinuatum, Clitocybe species. Check the combination of cap shape and colour, spore-bearing surface, stem, flesh changes and habitat. A single feature or photograph is not enough; if the key characters do not match the description, do not treat the identification as confirmed.

Similar species

Interesting facts

Did you know? The species often grows in large groups on deep autumn leaf litter.

Extended-description sources