Brook Floater vs Olive Brownie

Alasmidonta varicosa compared with Hypholoma myosotis

Key Differences

• Brook Floater is Vulnerable while Olive Brownie is Not Evaluated.

Taxonomic Classification

Rank	Brook Floater	Olive Brownie
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Mollusca (Mollusks)	Basidiomycota (Club Fungi)
Class	Bivalvia (Bivalvia)	Agaricomycetes (Mushrooms)
Order	Unionida (Unionida)	Agaricales (Gilled Mushrooms)
Family	Unionidae	Strophariaceae
Genus	Alasmidonta	Hypholoma
Species	Alasmidonta varicosa	Hypholoma myosotis

Conservation Status

Brook Floater

VU — Vulnerable

Olive Brownie

NE — Not Evaluated

Physical Characteristics

Attribute	Brook Floater	Olive Brownie
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.

Olive Brownie

Habitat

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

Range

Found in Norway.

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.