Brown Cobblestone Lichen vs Dusky arion

Acarospora fuscata compared with Arion subfuscus

Key Differences

• Brown Cobblestone Lichen is Least Concern while Dusky arion is Data Deficient.

Taxonomic Classification

Rank	Brown Cobblestone Lichen	Dusky arion
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Ascomycota (Sac Fungi)	Mollusca (Mollusks)
Class	Lecanoromycetes (Lecanoromycetes)	Gastropoda (Gastropoda)
Order	Acarosporales (Acarosporales)	Stylommatophora (Stylommatophora)
Family	Acarosporaceae	Arionidae
Genus	Acarospora	Arion
Species	Acarospora fuscata	Arion subfuscus

Conservation Status

Brown Cobblestone Lichen

LC — Least Concern

Dusky arion

DD — Data Deficient

Physical Characteristics

Attribute	Brown Cobblestone Lichen	Dusky arion
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Brown Cobblestone Lichen

Habitat

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

Range

Distributed across Denmark, Norway, Portugal, and United States.

Dusky arion

Habitat

Typically found in terrestrial and aquatic habitats including forests and freshwater.

Range

Found across Europe (5 countries) and North America (United States).

Brown Cobblestone Lichen

The Brown Cobblestone Lichen (Acarospora fuscata) is a species in the genus Acarospora. It is currently classified as Least Concern on the IUCN Red List. Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Shared Countries

Both species can be found in 2 countries:

🇳🇴 Norway 🇺🇸 United States