Brook Floater vs Narrowleaf hawkweed

Alasmidonta varicosa compared with Hieracium umbellatum

Key Differences

Brook Floater is Vulnerable while Narrowleaf hawkweed is Least Concern.

Taxonomic Classification

Rank	Brook Floater	Narrowleaf hawkweed
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	Hieracium
Species	Alasmidonta varicosa	Hieracium umbellatum

Conservation Status

Brook Floater

VU — Vulnerable

Narrowleaf hawkweed

LC — Least Concern

Physical Characteristics

Attribute	Brook Floater	Narrowleaf hawkweed
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 hawkweed

Habitat

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

Range

Found across Europe (7 countries) and North America (Canada, 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.