Brown Cobblestone Lichen vs Sea Lettuce

Acarospora fuscata compared with Ulva fenestrata

Key Differences

• Brown Cobblestone Lichen is Least Concern while Sea Lettuce is Not Evaluated.

Taxonomic Classification

Rank	Brown Cobblestone Lichen	Sea Lettuce
Kingdom	Fungi (Fungi)	Plantae (Plants)
Phylum	Ascomycota (Sac Fungi)	Chlorophyta (Chlorophyta)
Class	Lecanoromycetes (Lecanoromycetes)	Ulvophyceae (Ulvophyceae)
Order	Acarosporales (Acarosporales)	Ulvales (Ulvales)
Family	Acarosporaceae	Ulvaceae
Genus	Acarospora	Ulva
Species	Acarospora fuscata	Ulva fenestrata

Conservation Status

Brown Cobblestone Lichen

LC — Least Concern

Sea Lettuce

NE — Not Evaluated

Physical Characteristics

Attribute	Brown Cobblestone Lichen	Sea Lettuce
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.

Sea Lettuce

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark and Norway.

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:

🇩🇰 Denmark 🇳🇴 Norway