Brook Floater vs Smooth Bristle Bracket

Alasmidonta varicosa compared with Phellinus laevigatus

Key Differences

Brook Floater is Vulnerable while Smooth Bristle Bracket is Endangered.

Taxonomic Classification

Rank	Brook Floater	Smooth Bristle Bracket
Kingdom	Animalia (animal)	Fungi (Fungi)
Phylum	Mollusca (mollusques)	Basidiomycota (Club Fungi)
Class	Bivalvia (Bivalvia)	Agaricomycetes (Mushrooms)
Order	Unionida (Unionoida)	Hymenochaetales (Hymenochaetales)
Family	Unionidae	Hymenochaetaceae
Genus	Alasmidonta	Phellinus
Species	Alasmidonta varicosa	Phellinus laevigatus

Conservation Status

Brook Floater

VU — Vulnerable

Smooth Bristle Bracket

EN — Endangered

Physical Characteristics

Attribute	Brook Floater	Smooth Bristle Bracket
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.

Smooth Bristle Bracket

Habitat

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

Range

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

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.