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Clitocybe barbularum compared with Clitocybe foetens

Taxonomic Classification

Rank
Kingdom same	Fungi (Fungi)	Fungi (Fungi)
Phylum same	Basidiomycota (Club Fungi)	Basidiomycota (Club Fungi)
Class same	Agaricomycetes (Mushrooms)	Agaricomycetes (Mushrooms)
Order same	Agaricales (Gilled Mushrooms)	Agaricales (Gilled Mushrooms)
Family same	Tricholomataceae	Tricholomataceae
Genus same	Clitocybe	Clitocybe
Species	Clitocybe barbularum	Clitocybe foetens

Evolutionary Relationship

and share a common ancestor at the Genus level: Clitocybe.

Conservation Status

DD — Data Deficient

DD — Data Deficient

Physical Characteristics

Attribute
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Habitat

Typically found in forest floors, decomposing wood, and soil ecosystems.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

Habitat

Typically found in forest floors, decomposing wood, and soil ecosystems.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

Clitocybe barbularum is a small agaric fungus in the family Tricholomataceae occurring in Northern European temperate and boreal habitats, primarily documented from Scandinavian countries. It grows in grassy areas, woodland clearings, forest margins, and occasionally on disturbed ground, fruiting in late summer through autumn. The fruiting bodies are relatively small and inconspicuous with the characteristic Clitocybe form: a depressed to shallowly funnel-shaped cap, often whitish to pale greyish or buff, with crowded, decurrent gills and a slender stipe. The specific epithet barbularum suggests an association with particular microhabitats or substrates. As a saprotrophic fungus, C. barbularum plays a role in decomposing plant litter and returning nutrients to the soil ecosystem. The broader Clitocybe genus contains both edible and mildly toxic species, and smaller pale species are approached cautiously by foragers. This species reflects the high diversity of macrofungi in Scandinavian landscapes, where boreal and mixed forest systems support exceptional fungal biodiversity.

Clitocybe foetens is a notably malodorous agaric fungus in the family Tricholomataceae, with the species epithet foetens Latin for 'stinking' or 'fetid,' reflecting its distinctive unpleasant odor that sets it apart from many related species. It occurs across temperate European forests, particularly in deciduous and mixed woodlands, where it fruits among leaf litter and organic debris during autumn. The cap is convex to shallowly depressed, pale brownish to greyish-buff, with decurrent gills and a slender stipe bearing the characteristic Clitocybe morphology. The strong, disagreeable smell is likely produced by volatile compounds and serves as a chemical signal, though whether it deters or attracts invertebrates and other fauna varies by compound chemistry. Like other genus members, C. foetens is a saprotrophic decomposer contributing to litter breakdown in temperate forest ecosystems. The fetid odor also serves as a useful distinguishing character for mycologists working in this taxonomically complex genus of small, pale-capped agarics found throughout European woodland habitats.

Shared Countries

Both species can be found in 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden