Beaded Rosette Lichen vs Brook Floater

Physcia tribacia compared with Alasmidonta varicosa

Key Differences

• Beaded Rosette Lichen is Not Evaluated while Brook Floater is Vulnerable.

Taxonomic Classification

Rank	Beaded Rosette Lichen	Brook Floater
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Ascomycota (Sac Fungi)	Mollusca (Mollusks)
Class	Lecanoromycetes (Lecanoromycetes)	Bivalvia (Bivalvia)
Order	Caliciales (Caliciales)	Unionida (Unionida)
Family	Physciaceae	Unionidae
Genus	Physcia	Alasmidonta
Species	Physcia tribacia	Alasmidonta varicosa

Conservation Status

Beaded Rosette Lichen

NE — Not Evaluated

Brook Floater

VU — Vulnerable

Physical Characteristics

Attribute	Beaded Rosette Lichen	Brook Floater
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Beaded Rosette Lichen

Habitat

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

Range

Distributed across Colombia, 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.

Beaded Rosette Lichen

The Beaded Rosette Lichen (Physcia tribacia) is a species in the genus Physcia. Native to Europe and North America and South 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