Brook Floater vs Girdled Webcap

Alasmidonta varicosa compared with Cortinarius trivialis

Key Differences

Brook Floater is Vulnerable while Girdled Webcap is Least Concern.

Taxonomic Classification

Rank	Brook Floater	Girdled Webcap
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Mollusca (Mollusks)	Basidiomycota (Club Fungi)
Class	Bivalvia (Bivalvia)	Agaricomycetes (Mushrooms)
Order	Unionida (Unionida)	Agaricales (Gilled Mushrooms)
Family	Unionidae	Cortinariaceae
Genus	Alasmidonta	Cortinarius
Species	Alasmidonta varicosa	Cortinarius trivialis

Conservation Status

Brook Floater

VU — Vulnerable

Girdled Webcap

LC — Least Concern

Physical Characteristics

Attribute	Brook Floater	Girdled Webcap
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Brook Floater

Habitat

Native to North America, inhabiting ecosystems characteristic of the region.

Range

Found in United States. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Girdled Webcap

Habitat

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

Range

Distributed across Belgium, Denmark, Norway, Sweden, and United States.

Brook Floater

The Brook Floater (Alasmidonta varicosa) is a species in the genus Alasmidonta. It is currently classified as Vulnerable on the IUCN Red List. Native to North America, inhabiting ecosystems characteristic of the region.