VU

Radialrissiger Risspilz

Inocybe pusio

Unknown

Overview

A detailed profile for this species is sourced from the IUCN Red List of Threatened Species as assessments become available.

Inocybe pusio faces significant pressure from habitat degradation and fragmentation of its specialized woodland environments. The species' dependence on specific soil chemistry and mycorrhizal relationships with particular tree species makes it highly vulnerable to forest management practices and environmental changes. Agricultural expansion and urban development continue to reduce suitable habitat, while climate-induced shifts in forest composition threaten the delicate ecological balance this fungus requires.

Threat summary

Habitat

Inocybe pusio inhabits deciduous and mixed woodlands, typically forming mycorrhizal associations with broadleaf trees in nutrient-rich, well-drained soils. The species shows preference for mature forest ecosystems with stable soil chemistry and established fungal networks.

TERRESTRIAL· major

Frequently asked questions

Why is Radialrissiger Risspilz classified as Vulnerable?
Radialrissiger Risspilz is classified as Vulnerable because the population is declining and the species faces a high risk of extinction in the medium-term future if current pressures continue. Inocybe pusio faces significant pressure from habitat degradation and fragmentation of its specialized woodland environments. The species' dependence on specific soil chemistry and mycorrhizal relationships with particular tree species makes it highly vulnerable to forest management practices and environmental changes. Agricultural expansion and urban development continue to reduce suitable habitat, while climate-induced shifts in forest composition threaten the delicate ecological balance this fungus requires.
Where does Radialrissiger Risspilz live?
Radialrissiger Risspilz occurs in Australia, Austria, Belgium, Canada, Denmark, and Estonia (plus 19 other countries). Country-level distribution data is sourced from the IUCN Red List and cross-referenced with GBIF occurrences.
What are the main threats to Radialrissiger Risspilz?
The main threats to Radialrissiger Risspilz 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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