Brook Floater vs Southern Crestwort

Alasmidonta varicosa compared with Lophocolea semiteres

Key Differences

• Brook Floater is Vulnerable while Southern Crestwort is Not Evaluated.

Taxonomic Classification

Rank	Brook Floater	Southern Crestwort
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Mollusca (Mollusks)	Marchantiophyta (liverwort)
Class	Bivalvia (Bivalvia)	Jungermanniopsida (Jungermanniopsida)
Order	Unionida (Unionida)	Jungermanniales (Jungermanniales)
Family	Unionidae	Lophocoleaceae
Genus	Alasmidonta	Lophocolea
Species	Alasmidonta varicosa	Lophocolea semiteres

Conservation Status

Brook Floater

VU — Vulnerable

Southern Crestwort

NE — Not Evaluated

Physical Characteristics

Attribute	Brook Floater	Southern Crestwort
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.

Southern Crestwort

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Found across Europe (9 countries).

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.