Arctic Burreed vs Brown Cobblestone Lichen

Sparganium natans compared with Acarospora fuscata

Key Differences

• Arctic Burreed is Near Threatened while Brown Cobblestone Lichen is Least Concern.

Taxonomic Classification

Rank	Arctic Burreed	Brown Cobblestone Lichen
Kingdom	Plantae (Plants)	Fungi (Fungi)
Phylum	Magnoliophyta (Flowering Plants)	Ascomycota (Sac Fungi)
Class	Liliopsida (Monocots)	Lecanoromycetes (Lecanoromycetes)
Order	Poales (Grasses)	Acarosporales (Acarosporales)
Family	Typhaceae	Acarosporaceae
Genus	Sparganium	Acarospora
Species	Sparganium natans	Acarospora fuscata

Conservation Status

Arctic Burreed

NT — Near Threatened

Brown Cobblestone Lichen

LC — Least Concern

Physical Characteristics

Attribute	Arctic Burreed	Brown Cobblestone Lichen
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arctic Burreed

Habitat

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

Range

Found across Europe (7 countries) and North America (Canada, United States). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.

Arctic Burreed

The Arctic Burreed (Sparganium natans) is a species in the genus Sparganium. It is currently classified as Near Threatened on the IUCN Red List. Typically found in grasslands, wetlands, forests, and cultivated landscapes.

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