Brown Cobblestone Lichen vs Dwarf rockweed

Acarospora fuscata compared with Fucus cottonii

Key Differences

• Brown Cobblestone Lichen is Least Concern while Dwarf rockweed is Near Threatened.

Taxonomic Classification

Rank	Brown Cobblestone Lichen	Dwarf rockweed
Kingdom	Fungi (Fungi)	Chromista (Chromista)
Phylum	Ascomycota (Sac Fungi)	Ochrophyta (Ochrophyta)
Class	Lecanoromycetes (Lecanoromycetes)	Phaeophyceae (Phaeophyceae)
Order	Acarosporales (Acarosporales)	Fucales (Fucales)
Family	Acarosporaceae	Fucaceae
Genus	Acarospora	Fucus
Species	Acarospora fuscata	Fucus cottonii

Conservation Status

Brown Cobblestone Lichen

LC — Least Concern

Dwarf rockweed

NT — Near Threatened

Physical Characteristics

Attribute	Brown Cobblestone Lichen	Dwarf rockweed
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.

Dwarf rockweed

Habitat

Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Norway and United States. 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 2 countries:

🇳🇴 Norway 🇺🇸 United States