Brown Cobblestone Lichen vs Prickly Russian Thistle

Acarospora fuscata compared with Salsola tragus

Key Differences

• Brown Cobblestone Lichen is Least Concern while Prickly Russian Thistle is Not Evaluated.

Taxonomic Classification

Rank	Brown Cobblestone Lichen	Prickly Russian Thistle
Kingdom	Fungi (Fungi)	Plantae (Plants)
Phylum	Ascomycota (Sac Fungi)	Magnoliophyta (Flowering Plants)
Class	Lecanoromycetes (Lecanoromycetes)	Magnoliopsida (Dicots)
Order	Acarosporales (Acarosporales)	Caryophyllales (Caryophyllales)
Family	Acarosporaceae	Amaranthaceae
Genus	Acarospora	Salsola
Species	Acarospora fuscata	Salsola tragus

Conservation Status

Brown Cobblestone Lichen

LC — Least Concern

Prickly Russian Thistle

NE — Not Evaluated

Physical Characteristics

Attribute	Brown Cobblestone Lichen	Prickly Russian Thistle
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.

Prickly Russian Thistle

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Widely distributed across Africa (Lesotho, South Africa), Europe (8 countries), and North America (Canada, United States).

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 🇺🇸 United States