Beard Lichen vs Rat surmulot

Usnea subscabrosa compared with Rattus norvegicus

Key Differences

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

Taxonomic Classification

Rank	Beard Lichen	Rat surmulot
Kingdom	Fungi (Fungi)	Animalia (animal)
Phylum	Ascomycota (Sac Fungi)	Chordata (Chordates)
Class	Lecanoromycetes (Lecanoromycetes)	Mammalia (mammifères)
Order	Lecanorales (Lecanorales)	Rodentia (Rodents)
Family	Parmeliaceae	Muridae (Mice & Rats)
Genus	Usnea	Rattus
Species	Usnea subscabrosa	Rattus norvegicus

Conservation Status

Beard Lichen

NE — Not Evaluated

Rat surmulot

LC — Least Concern

Physical Characteristics

Attribute	Beard Lichen	Rat surmulot
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.

Rat surmulot

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.

Rat surmulot

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 3 countries:

🇳🇴 Norway 🇵🇹 Portugal 🇺🇸 United States