Blistered Toadskin Lichen vs Brown Rat

Lasallia pustulata compared with Rattus norvegicus

Taxonomic Classification

Rank	Blistered Toadskin Lichen	Brown Rat
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Ascomycota (Sac Fungi)	Chordata (Chordates)
Class	Lecanoromycetes (Lecanoromycetes)	Mammalia (Mammals)
Order	Umbilicariales (Umbilicariales)	Rodentia (Rodents)
Family	Umbilicariaceae	Muridae (Mice & Rats)
Genus	Lasallia	Rattus
Species	Lasallia pustulata	Rattus norvegicus

Conservation Status

Blistered Toadskin Lichen

LC — Least Concern

Brown Rat

LC — Least Concern

Physical Characteristics

Attribute	Blistered Toadskin Lichen	Brown Rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Blistered Toadskin Lichen

Habitat

Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, Portugal, Sweden, 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).

Blistered Toadskin Lichen

The Blistered Toadskin Lichen (Lasallia pustulata) is a species in the genus Lasallia. It is currently classified as Least Concern on the IUCN Red List. 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.