Brook Floater vs

Alasmidonta varicosa compared with Micarea misella

Key Differences

• Brook Floater is Vulnerable while is Least Concern.

Taxonomic Classification

Rank	Brook Floater
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Mollusca (Mollusks)	Ascomycota (Sac Fungi)
Class	Bivalvia (Bivalvia)	Lecanoromycetes (Lecanoromycetes)
Order	Unionida (Unionida)	Lecanorales (Lecanorales)
Family	Unionidae	Byssolomataceae
Genus	Alasmidonta	Micarea
Species	Alasmidonta varicosa	Micarea misella

Conservation Status

Brook Floater

VU — Vulnerable

LC — Least Concern

Physical Characteristics

Attribute	Brook Floater
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.

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, Portugal, and Sweden.

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.

Micarea misella is a crustose lichen in the family Pilocarpaceae, assessed as Least Concern (LC). It produces a thin, granular thallus and tiny, convex apothecia on bark, decaying wood, and other substrates in humid woodland environments. It is widely distributed across temperate forests.