Boreal Button Lichen vs Five-toed Pygmy Jerboa

Buellia disciformis compared with Cardiocranius paradoxus

Key Differences

• Boreal Button Lichen is Critically Endangered while Five-toed Pygmy Jerboa is Data Deficient.

Taxonomic Classification

Rank	Boreal Button Lichen	Five-toed Pygmy Jerboa
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Ascomycota (Sac Fungi)	Chordata (Chordates)
Class	Lecanoromycetes (Lecanoromycetes)	Mammalia (Mammals)
Order	Caliciales (Caliciales)	Rodentia (Rodents)
Family	Caliciaceae	Dipodidae
Genus	Buellia	Cardiocranius
Species	Buellia disciformis	Cardiocranius paradoxus

Conservation Status

Boreal Button Lichen

CR — Critically Endangered

Five-toed Pygmy Jerboa

DD — Data Deficient

Physical Characteristics

Attribute	Boreal Button Lichen	Five-toed Pygmy Jerboa
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.

Five-toed Pygmy Jerboa

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.