Brook Floater vs Variable watermilfoil

Alasmidonta varicosa compared with Myriophyllum heterophyllum

Key Differences

• Brook Floater is Vulnerable while Variable watermilfoil is Not Evaluated.

Taxonomic Classification

Rank	Brook Floater	Variable watermilfoil
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Mollusca (Mollusks)	Magnoliophyta (Flowering Plants)
Class	Bivalvia (Bivalvia)	Magnoliopsida (Dicots)
Order	Unionida (Unionida)	Saxifragales (Saxifragales)
Family	Unionidae	Haloragaceae
Genus	Alasmidonta	Myriophyllum
Species	Alasmidonta varicosa	Myriophyllum heterophyllum

Conservation Status

Brook Floater

VU — Vulnerable

Variable watermilfoil

NE — Not Evaluated

Physical Characteristics

Attribute	Brook Floater	Variable watermilfoil
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.

Variable watermilfoil

Habitat

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

Range

Found across Europe (10 countries) and North America (Canada, Cuba, 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