Brown Cobblestone Lichen vs Sharp Rock-bristle

Acarospora fuscata compared with Seligeria acutifolia

Key Differences

Brown Cobblestone Lichen is Least Concern while Sharp Rock-bristle is Vulnerable.

Taxonomic Classification

Rank	Brown Cobblestone Lichen	Sharp Rock-bristle
Kingdom	Fungi (Fungi)	Plantae (Plants)
Phylum	Ascomycota (Sac Fungi)	Bryophyta
Class	Lecanoromycetes (Lecanoromycetes)	Bryopsida (Bryopsida)
Order	Acarosporales (Acarosporales)	Grimmiales (Grimmiales)
Family	Acarosporaceae	Seligeriaceae
Genus	Acarospora	Seligeria
Species	Acarospora fuscata	Seligeria acutifolia

Conservation Status

Brown Cobblestone Lichen

LC — Least Concern

Sharp Rock-bristle

VU — Vulnerable

Physical Characteristics

Attribute	Brown Cobblestone Lichen	Sharp Rock-bristle
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.

Sharp Rock-bristle

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across 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.