Bitter Webcap vs Brook Alder

Cortinarius infractus compared with Alnus maritima

Key Differences

• Bitter Webcap is Least Concern while Brook Alder is Endangered.

Taxonomic Classification

Rank	Bitter Webcap	Brook Alder
Kingdom	Fungi (Fungi)	Plantae (Plants)
Phylum	Basidiomycota (Club Fungi)	Magnoliophyta (Flowering Plants)
Class	Agaricomycetes (Mushrooms)	Magnoliopsida (Dicots)
Order	Agaricales (Gilled Mushrooms)	Fagales (Beeches & Oaks)
Family	Cortinariaceae	Betulaceae
Genus	Cortinarius	Alnus
Species	Cortinarius infractus	Alnus maritima

Conservation Status

Bitter Webcap

LC — Least Concern

Brook Alder

EN — Endangered

Physical Characteristics

Attribute	Bitter Webcap	Brook Alder
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.

Brook Alder

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Distributed across Belgium, France, Netherlands, and United Kingdom. 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.

Brook Alder

The Brook Alder (Alnus maritima) is a species in the genus Alnus. It is currently classified as Endangered on the IUCN Red List. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.