Bordered Scale Lichen vs Brook Floater

Psora pseudorussellii compared with Alasmidonta varicosa

Key Differences

• Bordered Scale Lichen is Not Evaluated while Brook Floater is Vulnerable.

Taxonomic Classification

Rank	Bordered Scale 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	Psoraceae	Unionidae
Genus	Psora	Alasmidonta
Species	Psora pseudorussellii	Alasmidonta varicosa

Conservation Status

Bordered Scale Lichen

NE — Not Evaluated

Brook Floater

VU — Vulnerable

Physical Characteristics

Attribute	Bordered Scale Lichen	Brook Floater
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bordered Scale 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.

Bordered Scale Lichen

The Bordered Scale Lichen (Psora pseudorussellii) is a species in the genus Psora. 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