Brook Floater vs

Alasmidonta varicosa compared with Hyphoderma definitum

Key Differences

• Brook Floater is Vulnerable while is Data Deficient.

Taxonomic Classification

Rank	Brook Floater
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Mollusca (Mollusks)	Basidiomycota (Club Fungi)
Class	Bivalvia (Bivalvia)	Agaricomycetes (Mushrooms)
Order	Unionida (Unionida)	Polyporales (Polyporales)
Family	Unionidae	Hyphodermataceae
Genus	Alasmidonta	Hyphoderma
Species	Alasmidonta varicosa	Hyphoderma definitum

Conservation Status

Brook Floater

VU — Vulnerable

DD — Data Deficient

Physical Characteristics

Attribute	Brook Floater
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.

Habitat

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

Range

Distributed across Denmark, Norway, Sweden, and Taiwan.

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.

Hyphoderma definitum is a corticioid fungus in the family Polyporaceae, assessed as Data Deficient (DD). It forms thin, resupinate fruiting bodies on decaying wood in forest habitats. Limited collection records make a comprehensive conservation assessment difficult.