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Clitocybe diatreta compared with Clitocybe leucodiatreta

Key Differences

• is Least Concern while is Not Evaluated.

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 diatreta	Clitocybe leucodiatreta

Evolutionary Relationship

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

Conservation Status

LC — Least Concern

NE — Not Evaluated

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, Sweden, and United States.

Habitat

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

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

Clitocybe diatreta is a saprotrophic agaric fungus belonging to the family Tricholomataceae, found across temperate European forests and woodland habitats from Scandinavia southward through Central Europe. It typically fruits in autumn among leaf litter of deciduous and mixed forests, favoring moist, humus-rich soils beneath beech, oak, and conifer stands. The cap is convex to depressed, pale greyish-buff or whitish, with the decurrent gills and funnel-shaped profile characteristic of the genus Clitocybe. Microscopic examination reveals ellipsoid spores with smooth walls, confirming identity in this difficult taxonomic group. The diatreta species complex has been subject to taxonomic revision as molecular techniques clarify boundaries between morphologically similar taxa. As a decomposer of forest litter, C. diatreta contributes to the breakdown of cellulose and lignin in temperate forest floors, releasing nutrients back into the soil ecosystem. Its presence indicates structurally diverse, undisturbed forest conditions preferred by many specialist saprotrophic fungi in European woodland communities.

Clitocybe leucodiatreta is a pale agaric fungus in the family Tricholomataceae native to temperate European forests. The species name combines 'leuco' (white) with the related species epithet 'diatreta,' suggesting morphological similarity to Clitocybe diatreta but with a distinctly paler, more whitish appearance. It inhabits deciduous and mixed woodland floors, fruiting in autumn among accumulated leaf litter where it acts as a saprotrophic decomposer of organic matter. The fruiting bodies display the characteristic Clitocybe form: a depressed to funnel-shaped cap, crowded decurrent gills, and a cylindrical stipe. Distinguishing closely related small, pale Clitocybe species requires careful examination of spore morphology, odor, taste, and ecological context, with molecular phylogenetics increasingly used to resolve taxonomic boundaries within this challenging genus. C. leucodiatreta represents part of the remarkable diversity of saprotrophic fungi in European temperate forests, ecosystems where macrofungal diversity rivals that of the plant and invertebrate communities they help sustain through decomposition.

Shared Countries

Both species can be found in 4 countries:

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