Brook Floater vs Rough Hawk's-beard

Alasmidonta varicosa compared with Crepis biennis

Key Differences

• Brook Floater is Vulnerable while Rough Hawk's-beard is Near Threatened.

Taxonomic Classification

Rank	Brook Floater	Rough Hawk's-beard
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Mollusca (Mollusks)	Magnoliophyta (Flowering Plants)
Class	Bivalvia (Bivalvia)	Magnoliopsida (Dicots)
Order	Unionida (Unionida)	Asterales (Daisies & Sunflowers)
Family	Unionidae	Asteraceae (Daisy Family)
Genus	Alasmidonta	Crepis
Species	Alasmidonta varicosa	Crepis biennis

Conservation Status

Brook Floater

VU — Vulnerable

Rough Hawk's-beard

NT — Near Threatened

Physical Characteristics

Attribute	Brook Floater	Rough Hawk's-beard
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.

Rough Hawk's-beard

Habitat

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

Range

Found across Europe (8 countries) and North America (Canada, United States). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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