Brook Floater vs Western Larch

Alasmidonta varicosa compared with Larix occidentalis

Key Differences

• Brook Floater is Vulnerable while Western Larch is Least Concern.

Taxonomic Classification

Rank	Brook Floater	Western Larch
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Mollusca (Mollusks)	Coniferophyta (Conifers)
Class	Bivalvia (Bivalvia)	Pinopsida (Conifers)
Order	Unionida (Unionida)	Pinales (Pines & Allies)
Family	Unionidae	Pinaceae (Pine Family)
Genus	Alasmidonta	Larix
Species	Alasmidonta varicosa	Larix occidentalis

Conservation Status

Brook Floater

VU — Vulnerable

Western Larch

LC — Least Concern

Physical Characteristics

Attribute	Brook Floater	Western Larch
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.

Western Larch

Habitat

Typically found in temperate and boreal forests, often at higher elevations.

Range

Distributed across Armenia, Canada, Iceland, and Sweden.

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.