Bordered Scale Lichen vs Brown Rat

Psora pseudorussellii compared with Rattus norvegicus

Key Differences

• Bordered Scale Lichen is Not Evaluated while Brown Rat is Least Concern.

Taxonomic Classification

Rank	Bordered Scale Lichen	Brown Rat
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Ascomycota (Sac Fungi)	Chordata (Chordates)
Class	Lecanoromycetes (Lecanoromycetes)	Mammalia (Mammals)
Order	Lecanorales (Lecanorales)	Rodentia (Rodents)
Family	Psoraceae	Muridae (Mice & Rats)
Genus	Psora	Rattus
Species	Psora pseudorussellii	Rattus norvegicus

Conservation Status

Bordered Scale Lichen

NE — Not Evaluated

Brown Rat

LC — Least Concern

Physical Characteristics

Attribute	Bordered Scale Lichen	Brown Rat
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.

Brown Rat

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 10 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (11 countries), Asia (15 countries), Europe (41 countries), North America (16 countries), Oceania and the Pacific (10 countries), and South America (10 countries).

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.

Brown Rat

Brown Rat (Rattus norvegicus) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.

Shared Countries

Both species can be found in 2 countries:

🇳🇴 Norway 🇺🇸 United States