Brook Floater vs Osier

Alasmidonta varicosa compared with Salix viminalis

Key Differences

Brook Floater is Vulnerable while Osier is Least Concern.

Taxonomic Classification

Rank	Brook Floater	Osier
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Mollusca (Mollusks)	Magnoliophyta (Flowering Plants)
Class	Bivalvia (Bivalvia)	Magnoliopsida (Dicots)
Order	Unionida (Unionida)	Malpighiales (Malpighiales)
Family	Unionidae	Salicaceae
Genus	Alasmidonta	Salix
Species	Alasmidonta varicosa	Salix viminalis

Conservation Status

Brook Floater

VU — Vulnerable

Osier

LC — Least Concern

Physical Characteristics

Attribute	Brook Floater	Osier
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.

Osier

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Widely distributed across Asia (Turkey), Europe (13 countries), North America (Canada, United States), Oceania and the Pacific (Australia), and South America (4 countries).

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.