Boreal Button Lichen vs Franciscana

Buellia disciformis compared with Pontoporia blainvillei

Key Differences

• Boreal Button Lichen is Critically Endangered while Franciscana is Vulnerable.

Taxonomic Classification

Rank	Boreal Button Lichen	Franciscana
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Ascomycota (Sac Fungi)	Chordata (Chordates)
Class	Lecanoromycetes (Lecanoromycetes)	Mammalia (Mammals)
Order	Caliciales (Caliciales)	Cetacea (Whales & Dolphins)
Family	Caliciaceae	Pontoporiidae
Genus	Buellia	Pontoporia
Species	Buellia disciformis	Pontoporia blainvillei

Conservation Status

Boreal Button Lichen

CR — Critically Endangered

Franciscana

VU — Vulnerable

Physical Characteristics

Attribute	Boreal Button Lichen	Franciscana
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.

Franciscana

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.