Brown Cobblestone Lichen vs Grounded Oysterling

Acarospora fuscata compared with Crepidotus autochthonus

Key Differences

• Brown Cobblestone Lichen is Least Concern while Grounded Oysterling is Vulnerable.

Taxonomic Classification

Rank	Brown Cobblestone Lichen	Grounded Oysterling
Kingdom same	Fungi (Fungi)	Fungi (Fungi)
Phylum	Ascomycota (Sac Fungi)	Basidiomycota (Club Fungi)
Class	Lecanoromycetes (Lecanoromycetes)	Agaricomycetes (Mushrooms)
Order	Acarosporales (Acarosporales)	Agaricales (Gilled Mushrooms)
Family	Acarosporaceae	Crepidotaceae
Genus	Acarospora	Crepidotus
Species	Acarospora fuscata	Crepidotus autochthonus

Evolutionary Relationship

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

Conservation Status

Brown Cobblestone Lichen

LC — Least Concern

Grounded Oysterling

VU — Vulnerable

Physical Characteristics

Attribute	Brown Cobblestone Lichen	Grounded Oysterling
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.

Grounded Oysterling

Habitat

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

Range

Distributed across Belgium, Denmark, Norway, and Sweden. Currently classified as Vulnerable 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