Brown Cobblestone Lichen vs Eel-Grass Pondweed

Acarospora fuscata compared with Potamogeton zosteriformis

Key Differences

• Brown Cobblestone Lichen is Least Concern while Eel-Grass Pondweed is Not Evaluated.

Taxonomic Classification

Rank	Brown Cobblestone Lichen	Eel-Grass Pondweed
Kingdom	Fungi (Fungi)	Plantae (Plants)
Phylum	Ascomycota (Sac Fungi)	Magnoliophyta (Flowering Plants)
Class	Lecanoromycetes (Lecanoromycetes)	Liliopsida (Monocots)
Order	Acarosporales (Acarosporales)	Alismatales (Alismatales)
Family	Acarosporaceae	Potamogetonaceae
Genus	Acarospora	Potamogeton
Species	Acarospora fuscata	Potamogeton zosteriformis

Conservation Status

Brown Cobblestone Lichen

LC — Least Concern

Eel-Grass Pondweed

NE — Not Evaluated

Physical Characteristics

Attribute	Brown Cobblestone Lichen	Eel-Grass Pondweed
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.

Eel-Grass Pondweed

Habitat

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

Range

Distributed across Canada, Norway, and 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 2 countries:

🇳🇴 Norway 🇺🇸 United States