Beard Lichen vs Brook Floater

Usnea subscabrosa compared with Alasmidonta varicosa

Key Differences

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

Taxonomic Classification

Rank	Beard Lichen	Brook Floater
Kingdom	Fungi (mantar)	Animalia (hayvan)
Phylum	Ascomycota (Asklı mantarlar)	Mollusca (Yumuşakçalar)
Class	Lecanoromycetes (Lecanoromycetes)	Bivalvia (Midyeler)
Order	Lecanorales (Lecanorales)	Unionida (Unionoida)
Family	Parmeliaceae	Unionidae
Genus	Usnea	Alasmidonta
Species	Usnea subscabrosa	Alasmidonta varicosa

Conservation Status

Beard Lichen

NE — Not Evaluated

Brook Floater

VU — Vulnerable

Physical Characteristics

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

Habitat & Geographic Range

Beard Lichen

Habitat

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

Range

Distributed across Norway, Portugal, 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.

Beard Lichen

The Beard Lichen (Usnea subscabrosa) 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