EN

Kleiner Wurzelschnitzling

Phaeocollybia arduennensis

Unknown

Overview

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.

Threat summary

Habitat

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.

TERRESTRIAL· major

Other threatened species in Hymenogastraceae

Gymnopilus fulgensEN

Gymnopilus fulgens

Unknown
Gymnopilus picreusVU

Gymnopilus picreus

Unknown
VU

elzemosklokje

Galerina heimansii

Unknown
Russet RootshankCR

Russet Rootshank

Phaeocollybia lugubris

Unknown

Frequently asked questions

Why is Kleiner Wurzelschnitzling classified as Endangered?
Kleiner Wurzelschnitzling is classified as Endangered — facing a very high risk of extinction in the wild — because population numbers are declining steeply and key habitats are under sustained pressure. 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.
Where does Kleiner Wurzelschnitzling live?
Kleiner Wurzelschnitzling occurs in across multiple regions. Country-level distribution data is sourced from the IUCN Red List and cross-referenced with GBIF occurrences.
What are the main threats to Kleiner Wurzelschnitzling?
The main threats to Kleiner Wurzelschnitzling are ai-1, ai-2, ai-3, and ai-4. The full IUCN-classified threat record for this species is detailed on the species page.

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