Boreal Button Lichen vs

Buellia disciformis compared with Buellia ocellata

Key Differences

• Boreal Button Lichen is Critically Endangered while is Near Threatened.

Taxonomic Classification

Rank	Boreal Button Lichen
Kingdom same	Fungi (Fungi)	Fungi (Fungi)
Phylum same	Ascomycota (Sac Fungi)	Ascomycota (Sac Fungi)
Class same	Lecanoromycetes (Lecanoromycetes)	Lecanoromycetes (Lecanoromycetes)
Order same	Caliciales (Caliciales)	Caliciales (Caliciales)
Family same	Caliciaceae	Caliciaceae
Genus same	Buellia	Buellia
Species	Buellia disciformis	Buellia ocellata

Evolutionary Relationship

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

Conservation Status

Boreal Button Lichen

CR — Critically Endangered

NT — Near Threatened

Physical Characteristics

Attribute	Boreal Button 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.

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, Portugal, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.

Buellia ocellata is a crustose lichen with a pale grey to white areolate thallus bearing dark lecideine apothecia surrounded by a paler excipular ring. It inhabits exposed bark of old deciduous trees and smooth-barked conifers in temperate European woodlands. This lichen is sensitive to air quality changes and associated with veteran trees in ancient woodland.

Shared Countries

Both species can be found in 4 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇵🇹 Portugal 🇸🇪 Sweden