Brown Cobblestone Lichen vs

Acarospora fuscata compared with Trichormus variabilis

Key Differences

Brown Cobblestone Lichen is Least Concern while is Not Evaluated.

Taxonomic Classification

Rank	Brown Cobblestone Lichen
Kingdom	Fungi (Fungi)	Bacteria (Bacteria)
Phylum	Ascomycota (Sac Fungi)	Cyanobacteria (Cyanobacteria)
Class	Lecanoromycetes (Lecanoromycetes)	Cyanobacteriia
Order	Acarosporales (Acarosporales)	Cyanobacteriales
Family	Acarosporaceae	Nostocaceae
Genus	Acarospora	Trichormus
Species	Acarospora fuscata	Trichormus variabilis

Conservation Status

Brown Cobblestone Lichen

LC — Least Concern

NE — Not Evaluated

Physical Characteristics

Attribute	Brown Cobblestone Lichen
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.

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, and Sweden.

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.

Trichormus variabilis is a filamentous, nitrogen-fixing cyanobacterium in the family Nostocaceae. It forms heterocysts — specialized nitrogen-fixing cells — within its trichomes and is found in freshwater, soil, and symbiotic associations. Its conservation status is not evaluated.