Brown Cobblestone Lichen vs sharp-flowered rush

Acarospora fuscata compared with Juncus acutiflorus

Key Differences

• Brown Cobblestone Lichen is Least Concern while sharp-flowered rush is Critically Endangered.

Taxonomic Classification

Rank	Brown Cobblestone Lichen	sharp-flowered rush
Kingdom	Fungi (Fungi)	Plantae (Plants)
Phylum	Ascomycota (Sac Fungi)	Magnoliophyta (Flowering Plants)
Class	Lecanoromycetes (Lecanoromycetes)	Liliopsida (Monocots)
Order	Acarosporales (Acarosporales)	Poales (Grasses)
Family	Acarosporaceae	Juncaceae
Genus	Acarospora	Juncus
Species	Acarospora fuscata	Juncus acutiflorus

Conservation Status

Brown Cobblestone Lichen

LC — Least Concern

sharp-flowered rush

CR — Critically Endangered

Physical Characteristics

Attribute	Brown Cobblestone Lichen	sharp-flowered rush
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-flowered rush

Habitat

Typically found in grasslands, wetlands, forests, and cultivated landscapes.

Range

Found across Europe (6 countries) and Oceania and the Pacific (Australia). 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 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇵🇹 Portugal