Bent Ring Lichen vs Brook Floater

Arctoparmelia incurva compared with Alasmidonta varicosa

Key Differences

• Bent Ring Lichen is Critically Endangered while Brook Floater is Vulnerable.

Taxonomic Classification

Rank	Bent Ring Lichen	Brook Floater
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Ascomycota (Sac Fungi)	Mollusca (Mollusks)
Class	Lecanoromycetes (Lecanoromycetes)	Bivalvia (Bivalvia)
Order	Lecanorales (Lecanorales)	Unionida (Unionida)
Family	Parmeliaceae	Unionidae
Genus	Arctoparmelia	Alasmidonta
Species	Arctoparmelia incurva	Alasmidonta varicosa

Conservation Status

Bent Ring Lichen

CR — Critically Endangered

Brook Floater

VU — Vulnerable

Physical Characteristics

Attribute	Bent Ring Lichen	Brook Floater
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bent Ring Lichen

Habitat

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

Range

Distributed across Denmark, Norway, Sweden, and United States. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its 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.

Bent Ring Lichen

The Bent Ring Lichen (Arctoparmelia incurva) is a species in the genus Arctoparmelia. It is currently classified as Critically Endangered on the IUCN Red List. Native to Europe and North America, inhabiting ecosystems characteristic of the region.

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.

Shared Countries

Both species can be found in 1 countries:

🇺🇸 United States