Brown Rat vs

Rattus norvegicus compared with Mollisia ramealis

Taxonomic Classification

Rank	Brown Rat
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Ascomycota (Sac Fungi)
Class	Mammalia (Mammals)	Leotiomycetes (Leotiomycetes)
Order	Rodentia (Rodents)	Helotiales (Helotiales)
Family	Muridae (Mice & Rats)	Mollisiaceae
Genus	Rattus	Mollisia
Species	Rattus norvegicus	Mollisia ramealis

Conservation Status

Brown Rat

LC — Least Concern

LC — Least Concern

Physical Characteristics

Attribute	Brown Rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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).

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

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.

Mollisia ramealis is a small, grey to olive-grey disc fungus producing cup-shaped apothecia on dead herbaceous and woody plant material. It inhabits temperate forests and hedgerows across Europe, growing on dead twigs and stems. This saprotrophic ascomycete decomposes dead plant tissue in moist forest understory environments.

Shared Countries

Both species can be found in 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden