Kleiner Wurzelschnitzling
Phaeocollybia arduennensis
Kleiner Wurzelschnitzling (Phaeocollybia arduennensis) is a small, distinctive mushroom species characterized by its slender stature and deeply rooting pseudorhiza that extends far into the soil. This saprotrophic fungus plays a crucial role in forest ecosystems by decomposing organic matter and facilitating nutrient cycling in woodland soils.
Taxonomy & Classification
Kingdom
Fungi
Phylum
Basidiomycota
Class
Agaricomycetes
Order
Agaricales
Family
Hymenogastraceae
Genus
Phaeocollybia
Kleiner Wurzelschnitzling belongs to the family Hymenogastraceae, order Agaricales, within the Agaricomycetes class.
Species Profile
Kleiner Wurzelschnitzling (Phaeocollybia arduennensis) is a small, distinctive mushroom species characterized by its slender stature and deeply rooting pseudorhiza that extends far into the soil. This saprotrophic fungus plays a crucial role in forest ecosystems by decomposing organic matter and facilitating nutrient cycling in woodland soils.
Phaeocollybia arduennensis faces severe decline due to habitat loss from deforestation and forest fragmentation in its limited range. The species is particularly vulnerable to changes in forest composition and soil chemistry that affect its mycorrhizal relationships with host trees.
Key Facts
Habitat & Distribution
Phaeocollybia arduennensis inhabits mature coniferous and mixed forests, particularly in the Ardennes region, where it grows in deep, undisturbed humus-rich soils. The species requires stable forest floor conditions with thick layers of decomposing leaf litter and minimal soil disturbance.
Threats
IUCN Red List: Endangered
Phaeocollybia arduennensis faces severe decline due to habitat loss from deforestation and forest fragmentation in its limited range. The species is particularly vulnerable to changes in forest composition and soil chemistry that affect its mycorrhizal relationships with host trees.
Deforestation and forest clearing
Forest fragmentation
Changes in forest composition
Climate change affecting forest ecosystems
Soil disturbance and chemistry alteration
Community Sightings
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Sources & Attribution
How to Cite
IUCN: IUCN (2025). The IUCN Red List of Threatened Species. Version 2025-1. Available at: https://www.iucnredlist.org. doi:10.2305/IUCN.UK.2025-1.RLTS
GBIF: GBIF.org (2025). GBIF Home Page. Available at: https://www.gbif.org
This page: SpeciesRadar (2025). Kleiner Wurzelschnitzling (Phaeocollybia arduennensis). SpeciesRadar: Intelligence for Earth's Biodiversity. Available at: https://speciesradar.org/species/kleiner-wurzelschnitzling