Beard Lichen vs Brown Rat

Usnea subscabrosa compared with Rattus norvegicus

Key Differences

• Beard Lichen is Not Evaluated while Brown Rat is Least Concern.

Taxonomic Classification

Rank	Beard Lichen	Brown Rat
Kingdom	Fungi (菌界)	Animalia (動物)
Phylum	Ascomycota (子嚢菌門)	Chordata (脊索動物)
Class	Lecanoromycetes (チャシブゴケ菌綱)	Mammalia (哺乳類)
Order	Lecanorales (チャシブゴケ目)	Rodentia (ネズミ目)
Family	Parmeliaceae	Muridae (Mice & Rats)
Genus	Usnea	Rattus
Species	Usnea subscabrosa	Rattus norvegicus

Conservation Status

Beard Lichen

NE — Not Evaluated

Brown Rat

LC — Least Concern

Physical Characteristics

Attribute	Beard Lichen	Brown Rat
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.

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).

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.

Brown Rat

ドブネズミ（Rattus norvegicus）はIUCNレッドリストで軽度懸念（LC）に分類されています。分布域全体に広く生息し個体数は安定しており、緊急の保護上の懸念はありません。

Shared Countries

Both species can be found in 3 countries:

🇳🇴 Norway 🇵🇹 Portugal 🇺🇸 United States