Brook Floater vs gratiola

Alasmidonta varicosa compared with Gratiola officinalis

Key Differences

• Brook Floater is Vulnerable while gratiola is Critically Endangered.

Taxonomic Classification

Rank	Brook Floater	gratiola
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Mollusca (Mollusks)	Magnoliophyta (Flowering Plants)
Class	Bivalvia (Bivalvia)	Magnoliopsida (Dicots)
Order	Unionida (Unionida)	Lamiales (Lamiales)
Family	Unionidae	Plantaginaceae
Genus	Alasmidonta	Gratiola
Species	Alasmidonta varicosa	Gratiola officinalis

Conservation Status

Brook Floater

VU — Vulnerable

gratiola

CR — Critically Endangered

Physical Characteristics

Attribute	Brook Floater	gratiola
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.

gratiola

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and Mediterranean forests and woodlands within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Belgium, Denmark, France, Portugal, and Sweden. Currently classified as Critically Endangered 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.