Brook Floater vs

Alasmidonta varicosa compared with Hydnellum compactum

Taxonomic Classification

Rank	Brook Floater
Kingdom	Animalia (animal)	Fungi (Fungi)
Phylum	Mollusca (mollusques)	Basidiomycota (Club Fungi)
Class	Bivalvia (Bivalvia)	Agaricomycetes (Mushrooms)
Order	Unionida (Unionoida)	Thelephorales (Thelephorales)
Family	Unionidae	Bankeraceae
Genus	Alasmidonta	Hydnellum
Species	Alasmidonta varicosa	Hydnellum compactum

Conservation Status

Brook Floater

VU — Vulnerable

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 Belgium, Norway, and Sweden. Currently classified as Vulnerable 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.

Hydnellum compactum is a stipitate, tooth fungus with a compact, brownish-orange to rusty-brown cap surface covered in spines on the underside. It grows on the forest floor in coniferous forests across Europe and parts of North America, forming ectomycorrhizal associations with trees. This fungus obtains nutrients by forming mutualistic partnerships with the roots of pine, spruce, and fir trees.