Bony Beard Lichen vs Brook Floater

Usnea trichodea compared with Alasmidonta varicosa

Key Differences

• Bony Beard Lichen is Not Evaluated while Brook Floater is Vulnerable.

Taxonomic Classification

Rank	Bony Beard 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	Usnea	Alasmidonta
Species	Usnea trichodea	Alasmidonta varicosa

Conservation Status

Bony Beard Lichen

NE — Not Evaluated

Brook Floater

VU — Vulnerable

Physical Characteristics

Attribute	Bony Beard Lichen	Brook Floater
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bony Beard Lichen

Habitat

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

Range

Distributed across Norway and United States.

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.

Bony Beard Lichen

The Bony Beard Lichen (Usnea trichodea) is a species in the genus Usnea. 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