American Rosette Lichen vs Brook Floater

Physcia americana compared with Alasmidonta varicosa

Key Differences

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

Taxonomic Classification

Rank	American 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 americana	Alasmidonta varicosa

Conservation Status

American Rosette Lichen

NE — Not Evaluated

Brook Floater

VU — Vulnerable

Physical Characteristics

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

Habitat & Geographic Range

American Rosette 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.

American Rosette Lichen

The American Rosette Lichen (Physcia americana) is a species in the genus Physcia. 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