Brook Floater vs Gray Alder

Alasmidonta varicosa compared with Alnus incana

Key Differences

• Brook Floater is Vulnerable while Gray Alder is Least Concern.

Taxonomic Classification

Rank	Brook Floater	Gray Alder
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Mollusca (Mollusks)	Magnoliophyta (Flowering Plants)
Class	Bivalvia (Bivalvia)	Magnoliopsida (Dicots)
Order	Unionida (Unionida)	Fagales (Beeches & Oaks)
Family	Unionidae	Betulaceae
Genus	Alasmidonta	Alnus
Species	Alasmidonta varicosa	Alnus incana

Conservation Status

Brook Floater

VU — Vulnerable

Gray Alder

LC — Least Concern

Physical Characteristics

Attribute	Brook Floater	Gray Alder
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.

Gray Alder

Habitat

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

Range

Widely distributed across Asia (Armenia), Europe (10 countries), and North America (United States).

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.

Shared Countries

Both species can be found in 1 countries:

🇺🇸 United States