Blue-Girdled Webcap vs Brook Alder

Cortinarius collinitus compared with Alnus maritima

Key Differences

• Blue-Girdled Webcap is Least Concern while Brook Alder is Endangered.

Taxonomic Classification

Rank	Blue-Girdled 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 collinitus	Alnus maritima

Conservation Status

Blue-Girdled Webcap

LC — Least Concern

Brook Alder

EN — Endangered

Physical Characteristics

Attribute	Blue-Girdled Webcap	Brook Alder
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Blue-Girdled Webcap

Habitat

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

Range

Distributed across Norway, Sweden, and United States.

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.

Blue-Girdled Webcap

The Blue Girdled Webcap (Cortinarius collinitus) 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.