Boreal Button Lichen vs Evelyn's Buttons

Buellia disciformis compared with Buellia sharpiana

Key Differences

• Boreal Button Lichen is Critically Endangered while Evelyn's Buttons is Vulnerable.

Taxonomic Classification

Rank	Boreal Button Lichen	Evelyn's Buttons
Kingdom same	Fungi (Pilze)	Fungi (Pilze)
Phylum same	Ascomycota (Schlauchpilze)	Ascomycota (Schlauchpilze)
Class same	Lecanoromycetes (Lecanoromycetes)	Lecanoromycetes (Lecanoromycetes)
Order same	Caliciales (Caliciales)	Caliciales (Caliciales)
Family same	Caliciaceae	Caliciaceae
Genus same	Buellia	Buellia
Species	Buellia disciformis	Buellia sharpiana

Evolutionary Relationship

Boreal Button Lichen and Evelyn's Buttons share a common ancestor at the Genus level: Buellia.

Conservation Status

Boreal Button Lichen

CR — Critically Endangered

Evelyn's Buttons

VU — Vulnerable

Physical Characteristics

Attribute	Boreal Button Lichen	Evelyn's Buttons
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.

Evelyn's Buttons

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.