Brook Floater vs Cascade Fir

Alasmidonta varicosa compared with Abies amabilis

Key Differences

• Brook Floater is Vulnerable while Cascade Fir is Least Concern.

Taxonomic Classification

Rank	Brook Floater	Cascade Fir
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	Abies
Species	Alasmidonta varicosa	Abies amabilis

Conservation Status

Brook Floater

VU — Vulnerable

Cascade Fir

LC — Least Concern

Physical Characteristics

Attribute	Brook Floater	Cascade Fir
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.

Cascade Fir

Habitat

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

Range

Distributed across Canada, Norway, 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.

Cascade Fir

The Cascade Fir (Abies amabilis) is a species in the genus Abies. It is currently classified as Least Concern on the IUCN Red List. Typically found in temperate and boreal forests, often at higher elevations.