Brook Floater vs Dark Stonewort

Alasmidonta varicosa compared with Nitella opaca

Key Differences

Brook Floater is Vulnerable while Dark Stonewort is Least Concern.

Taxonomic Classification

Rank	Brook Floater	Dark 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 opaca

Conservation Status

Brook Floater

VU — Vulnerable

Dark Stonewort

LC — Least Concern

Physical Characteristics

Attribute	Brook Floater	Dark 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.

Dark Stonewort

Habitat

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

Range

Distributed across Brazil, Denmark, Norway, Sweden, and 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.