Brook Floater vs Spotted Thistle

Alasmidonta varicosa compared with Scolymus maculatus

Key Differences

Brook Floater is Vulnerable while Spotted Thistle is Not Evaluated.

Taxonomic Classification

Rank	Brook Floater	Spotted Thistle
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	Scolymus
Species	Alasmidonta varicosa	Scolymus maculatus

Conservation Status

Brook Floater

VU — Vulnerable

Spotted Thistle

NE — Not Evaluated

Physical Characteristics

Attribute	Brook Floater	Spotted Thistle
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.

Spotted Thistle

Habitat

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

Range

Widely distributed across Africa (Libya), Europe (6 countries), North America (United States), and Oceania and the Pacific (Australia).

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.