Cortinarius hillieri
Local name: glatt villsvinslørsopp
Cortinarius hillieri is a rare mycorrhizal fungus with distinctive smooth, brownish caps and cobweb-like veils characteristic of the Cortinarius genus. This endangered species forms essential symbiotic relationships with tree roots, facilitating nutrient exchange and supporting forest ecosystem health through its underground fungal networks.
Taxonomy & Classification
Kingdom
Fungi
Phylum
Basidiomycota
Class
Agaricomycetes
Order
Agaricales
Family
Cortinariaceae
Genus
Cortinarius
Cortinarius hillieri belongs to the family Cortinariaceae, order Agaricales, within the Agaricomycetes class.
Species Profile
Cortinarius hillieri is a rare mycorrhizal fungus with distinctive smooth, brownish caps and cobweb-like veils characteristic of the Cortinarius genus. This endangered species forms essential symbiotic relationships with tree roots, facilitating nutrient exchange and supporting forest ecosystem health through its underground fungal networks.
Cortinarius hillieri faces severe decline due to habitat loss from deforestation and land conversion in its limited range. The species' specialized ecological requirements and small population size make it particularly vulnerable to environmental changes and human disturbance.
Key Facts
Habitat & Distribution
This fungus inhabits mature deciduous and mixed forests, particularly favoring areas with rich, well-drained soils and established root systems of oak, beech, and birch trees. It typically fruits in late summer to autumn in undisturbed woodland areas with stable soil chemistry and minimal human interference.
Threats
IUCN Red List: Endangered
Cortinarius hillieri faces severe decline due to habitat loss from deforestation and land conversion in its limited range. The species' specialized ecological requirements and small population size make it particularly vulnerable to environmental changes and human disturbance.
Habitat loss and fragmentation from deforestation
Land use conversion for agriculture and development
Small population size and restricted range
Climate change affecting forest ecosystems
Disturbance to forest floor and mycorrhizal relationships
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). Cortinarius hillieri (Cortinarius hillieri). SpeciesRadar: Intelligence for Earth's Biodiversity. Available at: https://speciesradar.org/species/glatt-villsvinslrsopp