Brook Floater vs Concentric Ring Lichen

Alasmidonta varicosa compared with Arctoparmelia centrifuga

Key Differences

Brook Floater is Vulnerable while Concentric Ring Lichen is Least Concern.

Taxonomic Classification

Rank	Brook Floater	Concentric Ring Lichen
Kingdom	Animalia (animal)	Fungi (Fungi)
Phylum	Mollusca (mollusques)	Ascomycota (Sac Fungi)
Class	Bivalvia (Bivalvia)	Lecanoromycetes (Lecanoromycetes)
Order	Unionida (Unionoida)	Lecanorales (Lecanorales)
Family	Unionidae	Parmeliaceae
Genus	Alasmidonta	Arctoparmelia
Species	Alasmidonta varicosa	Arctoparmelia centrifuga

Conservation Status

Brook Floater

VU — Vulnerable

Concentric Ring Lichen

LC — Least Concern

Physical Characteristics

Attribute	Brook Floater	Concentric Ring Lichen
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.

Concentric Ring Lichen

Habitat

Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Norway, Sweden, and United States.

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.