Brook Floater vs Narrowleaf hawksbeard

Alasmidonta varicosa compared with Crepis tectorum

Key Differences

Brook Floater is Vulnerable while Narrowleaf hawksbeard is Near Threatened.

Taxonomic Classification

Rank	Brook Floater	Narrowleaf hawksbeard
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 tectorum

Conservation Status

Brook Floater

VU — Vulnerable

Narrowleaf hawksbeard

NT — Near Threatened

Physical Characteristics

Attribute	Brook Floater	Narrowleaf hawksbeard
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.

Narrowleaf hawksbeard

Habitat

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

Range

Widely distributed across Asia (Japan), Europe (11 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.