Brook Floater vs Corn speedwell

Alasmidonta varicosa compared with Veronica arvensis

Key Differences

Brook Floater is Vulnerable while Corn speedwell is Least Concern.

Taxonomic Classification

Rank	Brook Floater	Corn speedwell
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	Veronica
Species	Alasmidonta varicosa	Veronica arvensis

Conservation Status

Brook Floater

VU — Vulnerable

Corn speedwell

LC — Least Concern

Physical Characteristics

Attribute	Brook Floater	Corn speedwell
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.

Corn speedwell

Habitat

Inhabits temperate broadleaf and mixed forests within the Palearctic biogeographic realm.

Range

Widely distributed across Asia (4 countries), Europe (15 countries), North America (Canada, Mexico, United States), Oceania and the Pacific (Australia), and South America (5 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.