Brown Cobblestone Lichen vs Rosette Tooth

Acarospora fuscata compared with Hydnellum cumulatum

Key Differences

• Brown Cobblestone Lichen is Least Concern while Rosette Tooth is Critically Endangered.

Taxonomic Classification

Rank	Brown Cobblestone Lichen	Rosette Tooth
Kingdom same	Fungi (Fungi)	Fungi (Fungi)
Phylum	Ascomycota (Sac Fungi)	Basidiomycota (Club Fungi)
Class	Lecanoromycetes (Lecanoromycetes)	Agaricomycetes (Mushrooms)
Order	Acarosporales (Acarosporales)	Thelephorales (Thelephorales)
Family	Acarosporaceae	Bankeraceae
Genus	Acarospora	Hydnellum
Species	Acarospora fuscata	Hydnellum cumulatum

Evolutionary Relationship

Brown Cobblestone Lichen and Rosette Tooth share a common ancestor at the Kingdom level: Fungi. (Fungi)

Conservation Status

Brown Cobblestone Lichen

LC — Least Concern

Rosette Tooth

CR — Critically Endangered

Physical Characteristics

Attribute	Brown Cobblestone Lichen	Rosette Tooth
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.

Rosette Tooth

Habitat

Typically found in forest floors, decomposing wood, and soil ecosystems.

Range

Distributed across Denmark, Norway, and Sweden. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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:

🇩🇰 Denmark 🇳🇴 Norway