Boreal Button Lichen vs Four-toed Jerboa

Buellia disciformis compared with Allactaga tetradactyla

Key Differences

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

Taxonomic Classification

Rank	Boreal Button Lichen	Four-toed 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	Allactaga
Species	Buellia disciformis	Allactaga tetradactyla

Conservation Status

Boreal Button Lichen

CR — Critically Endangered

Four-toed Jerboa

DD — Data Deficient

Physical Characteristics

Attribute	Boreal Button Lichen	Four-toed 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.

Four-toed 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.