Brown Cobblestone Lichen vs small tortoiseshell

Acarospora fuscata compared with Aglais urticae

Key Differences

• Brown Cobblestone Lichen is Least Concern while small tortoiseshell is Near Threatened.

Taxonomic Classification

Rank	Brown Cobblestone Lichen	small tortoiseshell
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Ascomycota (Sac Fungi)	Arthropoda (Arthropods)
Class	Lecanoromycetes (Lecanoromycetes)	Insecta (Insects)
Order	Acarosporales (Acarosporales)	Lepidoptera (Butterflies & Moths)
Family	Acarosporaceae	Nymphalidae (Brush-footed Butterflies)
Genus	Acarospora	Aglais
Species	Acarospora fuscata	Aglais urticae

Conservation Status

Brown Cobblestone Lichen

LC — Least Concern

small tortoiseshell

NT — Near Threatened

Physical Characteristics

Attribute	Brown Cobblestone Lichen	small tortoiseshell
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.

small tortoiseshell

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (41 countries). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.

small tortoiseshell

small tortoiseshell (Aglais urticae) is classified as Near Threatened (NT) on the IUCN Red List. Close to qualifying as threatened, with populations that may become vulnerable without conservation action.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇵🇹 Portugal