Brown Cobblestone Lichen vs Greater knapweed

Acarospora fuscata compared with Centaurea scabiosa

Key Differences

• Brown Cobblestone Lichen is Least Concern while Greater knapweed is Near Threatened.

Taxonomic Classification

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

Conservation Status

Brown Cobblestone Lichen

LC — Least Concern

Greater knapweed

NT — Near Threatened

Physical Characteristics

Attribute	Brown Cobblestone Lichen	Greater knapweed
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.

Greater knapweed

Habitat

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

Range

Widely distributed across Europe (7 countries), North America (Canada, United States), and Oceania and the Pacific (Australia). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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