Brook Floater vs Constricted Treacle Mustard

Alasmidonta varicosa compared with Erysimum contractum

Taxonomic Classification

Rank	Brook Floater	Constricted Treacle Mustard
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Mollusca (Mollusks)	Magnoliophyta (Flowering Plants)
Class	Bivalvia (Bivalvia)	Magnoliopsida (Dicots)
Order	Unionida (Unionida)	Brassicales (Brassicales)
Family	Unionidae	Brassicaceae
Genus	Alasmidonta	Erysimum
Species	Alasmidonta varicosa	Erysimum contractum

Conservation Status

Brook Floater

VU — Vulnerable

Constricted Treacle Mustard

VU — Vulnerable

Physical Characteristics

Attribute	Brook Floater	Constricted Treacle Mustard
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.

Constricted Treacle Mustard

Habitat

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

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.