Brook Floater vs marsh-elder

Alasmidonta varicosa compared with Iva annua

Key Differences

• Brook Floater is Vulnerable while marsh-elder is Not Evaluated.

Taxonomic Classification

Rank	Brook Floater	marsh-elder
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	Iva
Species	Alasmidonta varicosa	Iva annua

Conservation Status

Brook Floater

VU — Vulnerable

marsh-elder

NE — Not Evaluated

Physical Characteristics

Attribute	Brook Floater	marsh-elder
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.

marsh-elder

Habitat

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

Range

Distributed across Belgium, France, and Sweden.

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.