Bitter Webcap vs Zedern-Klumpfuß

Cortinarius infractus compared with Cortinarius bergeronii

Key Differences

• Bitter Webcap is Least Concern while Zedern-Klumpfuß is Endangered.

Taxonomic Classification

Rank	Bitter Webcap	Zedern-Klumpfuß
Kingdom same	Fungi (Pilze)	Fungi (Pilze)
Phylum same	Basidiomycota (Ständerpilze)	Basidiomycota (Ständerpilze)
Class same	Agaricomycetes (Mushrooms)	Agaricomycetes (Mushrooms)
Order same	Agaricales (Champignonartige)	Agaricales (Champignonartige)
Family same	Cortinariaceae	Cortinariaceae
Genus same	Cortinarius	Cortinarius
Species	Cortinarius infractus	Cortinarius bergeronii

Evolutionary Relationship

Bitter Webcap and Zedern-Klumpfuß share a common ancestor at the Genus level: Cortinarius.

Conservation Status

Bitter Webcap

LC — Least Concern

Zedern-Klumpfuß

EN — Endangered

Physical Characteristics

Attribute	Bitter Webcap	Zedern-Klumpfuß
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bitter Webcap

Habitat

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

Range

Distributed across Denmark and Sweden.

Zedern-Klumpfuß

Habitat

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

Range

Distributed across Denmark, Norway, and Sweden. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Bitter Webcap

The Bitter Webcap (Cortinarius infractus) is a species in the genus Cortinarius. It is currently classified as Least Concern on the IUCN Red List. Typically found in forest floors, decomposing wood, and soil ecosystems.

Zedern-Klumpfuß

Cortinarius bergeronii is a mycorrhizal agaric fungus in the family Cortinariaceae, assessed as Endangered (EN). It forms ectomycorrhizal associations with trees in undisturbed forest habitats and produces characteristic cobweb-like cortina veils when young. Its endangered status reflects habitat loss through deforestation and forest management changes.

Shared Countries

Both species can be found in 2 countries:

🇩🇰 Denmark 🇸🇪 Sweden