Brook Floater vs False Flatsedge

Alasmidonta varicosa compared with Cyperus strigosus

Key Differences

• Brook Floater is Vulnerable while False Flatsedge is Not Evaluated.

Taxonomic Classification

Rank	Brook Floater	False Flatsedge
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Mollusca (Mollusks)	Magnoliophyta (Flowering Plants)
Class	Bivalvia (Bivalvia)	Liliopsida (Monocots)
Order	Unionida (Unionida)	Poales (Grasses)
Family	Unionidae	Cyperaceae
Genus	Alasmidonta	Cyperus
Species	Alasmidonta varicosa	Cyperus strigosus

Conservation Status

Brook Floater

VU — Vulnerable

False Flatsedge

NE — Not Evaluated

Physical Characteristics

Attribute	Brook Floater	False Flatsedge
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.

False Flatsedge

Habitat

Typically found in grasslands, wetlands, forests, and cultivated landscapes.

Range

Widely distributed across Asia (Japan), Europe (5 countries), North America (Canada, United States), and South America (Brazil).

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