Brook Floater vs Hardhack

Alasmidonta varicosa compared with Spiraea tomentosa

Key Differences

• Brook Floater is Vulnerable while Hardhack is Not Evaluated.

Taxonomic Classification

Rank	Brook Floater	Hardhack
Kingdom	Animalia (Animals)	Plantae (plantas)
Phylum	Mollusca (Moluscos)	Magnoliophyta (Flowering Plants)
Class	Bivalvia (Bivalvia)	Magnoliopsida (Dicots)
Order	Unionida (Unionoida)	Rosales (Roses & Allies)
Family	Unionidae	Rosaceae (Rose Family)
Genus	Alasmidonta	Spiraea
Species	Alasmidonta varicosa	Spiraea tomentosa

Conservation Status

Brook Floater

VU — Vulnerable

Hardhack

NE — Not Evaluated

Physical Characteristics

Attribute	Brook Floater	Hardhack
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.

Hardhack

Habitat

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

Range

Found across Europe (9 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