Boar Thistle vs Brown Cobblestone Lichen

Cirsium arvense compared with Acarospora fuscata

Taxonomic Classification

Rank	Boar Thistle	Brown Cobblestone Lichen
Kingdom	Plantae (Plants)	Fungi (Fungi)
Phylum	Magnoliophyta (Flowering Plants)	Ascomycota (Sac Fungi)
Class	Magnoliopsida (Dicots)	Lecanoromycetes (Lecanoromycetes)
Order	Asterales (Daisies & Sunflowers)	Acarosporales (Acarosporales)
Family	Asteraceae (Daisy Family)	Acarosporaceae
Genus	Cirsium	Acarospora
Species	Cirsium arvense	Acarospora fuscata

Conservation Status

Boar Thistle

LC — Least Concern

Brown Cobblestone Lichen

LC — Least Concern

Physical Characteristics

Attribute	Boar Thistle	Brown Cobblestone Lichen
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Boar Thistle

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, temperate broadleaf and mixed forests, and temperate coniferous forests, among 8 distinct biome types spanning the Indomalayan and Palearctic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (South Africa), Asia (5 countries), Europe (14 countries), North America (Canada, United States), Oceania and the Pacific (Australia, New Zealand), and South America (Chile).

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.

Boar Thistle

The Boar Thistle (Cirsium arvense) is a species in the genus Cirsium. It is currently classified as Least Concern on the IUCN Red List. Native to Australia, Belgium, Bulgaria, Canada, Chile.

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.