Boreal Button Lichen vs Starry Breck Lichen

Buellia disciformis compared with Buellia asterella

Taxonomic Classification

Rank	Boreal Button Lichen	Starry Breck Lichen
Kingdom same	Fungi (菌界)	Fungi (菌界)
Phylum same	Ascomycota (子嚢菌門)	Ascomycota (子嚢菌門)
Class same	Lecanoromycetes (チャシブゴケ菌綱)	Lecanoromycetes (チャシブゴケ菌綱)
Order same	Caliciales (Caliciales)	Caliciales (Caliciales)
Family same	Caliciaceae	Caliciaceae
Genus same	Buellia	Buellia
Species	Buellia disciformis	Buellia asterella

Evolutionary Relationship

Boreal Button Lichen and Starry Breck Lichen share a common ancestor at the Genus level: Buellia.

Conservation Status

Boreal Button Lichen

CR — Critically Endangered

Starry Breck Lichen

CR — Critically Endangered

Physical Characteristics

Attribute	Boreal Button Lichen	Starry Breck Lichen
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Boreal Button Lichen

Habitat

Inhabits temperate broadleaf and mixed forests and Mediterranean forests and woodlands within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Denmark, Norway, Portugal, Sweden, and United States. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Starry Breck Lichen

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, and Sweden. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Boreal Button Lichen

The Boreal Button Lichen (Buellia disciformis) is a species in the genus Buellia. It is currently classified as Critically Endangered on the IUCN Red List. Inhabits temperate broadleaf and mixed forests and Mediterranean forests and woodlands within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden