Brook Floater vs Spotted Brittlestem

Alasmidonta varicosa compared with Psathyrella maculata

Taxonomic Classification

Rank	Brook Floater	Spotted Brittlestem
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Mollusca (Mollusks)	Basidiomycota (Club Fungi)
Class	Bivalvia (Bivalvia)	Agaricomycetes (Mushrooms)
Order	Unionida (Unionida)	Agaricales (Gilled Mushrooms)
Family	Unionidae	Psathyrellaceae
Genus	Alasmidonta	Psathyrella
Species	Alasmidonta varicosa	Psathyrella maculata

Conservation Status

Brook Floater

VU — Vulnerable

Spotted Brittlestem

VU — Vulnerable

Physical Characteristics

Attribute	Brook Floater	Spotted Brittlestem
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.

Spotted Brittlestem

Habitat

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

Range

Distributed across Belgium, Denmark, 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.