Brook Floater vs Woolly Foam

Alasmidonta varicosa compared with Stereocaulon tomentosum

Key Differences

Brook Floater is Vulnerable while Woolly Foam is Endangered.

Taxonomic Classification

Rank	Brook Floater	Woolly Foam
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Mollusca (Mollusks)	Ascomycota (Sac Fungi)
Class	Bivalvia (Bivalvia)	Lecanoromycetes (Lecanoromycetes)
Order	Unionida (Unionida)	Lecanorales (Lecanorales)
Family	Unionidae	Stereocaulaceae
Genus	Alasmidonta	Stereocaulon
Species	Alasmidonta varicosa	Stereocaulon tomentosum

Conservation Status

Brook Floater

VU — Vulnerable

Woolly Foam

EN — Endangered

Physical Characteristics

Attribute	Brook Floater	Woolly Foam
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.

Woolly Foam

Habitat

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

Range

Distributed across Colombia, Denmark, Norway, Sweden, 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.