Brook Floater vs Slender Stonewort

Alasmidonta varicosa compared with Nitella gracilis

Taxonomic Classification

Rank	Brook Floater	Slender Stonewort
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Mollusca (Mollusks)	Charophyta (Charophyta)
Class	Bivalvia (Bivalvia)	Charophyceae (Charophyceae)
Order	Unionida (Unionida)	Charales (Charales)
Family	Unionidae	Characeae
Genus	Alasmidonta	Nitella
Species	Alasmidonta varicosa	Nitella gracilis

Conservation Status

Brook Floater

VU — Vulnerable

Slender Stonewort

VU — Vulnerable

Physical Characteristics

Attribute	Brook Floater	Slender Stonewort
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.

Slender Stonewort

Habitat

Native to Asia and Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Widely distributed across Asia (Taiwan), Europe (Denmark, Norway, Sweden), North America (United States), and South America (Brazil). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

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.