Boreal Button Lichen vs Elegant Fat-tailed Mouse Opossum

Buellia disciformis compared with Thylamys elegans

Key Differences

• Boreal Button Lichen is Critically Endangered while Elegant Fat-tailed Mouse Opossum is Least Concern.

Taxonomic Classification

Rank	Boreal Button Lichen	Elegant Fat-tailed Mouse Opossum
Kingdom	Fungi (균계)	Animalia (동물)
Phylum	Ascomycota (자낭균류)	Chordata (척삭동물)
Class	Lecanoromycetes (요강버섯강)	Mammalia (포유류)
Order	Caliciales (Caliciales)	Didelphimorphia (주머니쥐)
Family	Caliciaceae	Didelphidae
Genus	Buellia	Thylamys
Species	Buellia disciformis	Thylamys elegans

Conservation Status

Boreal Button Lichen

CR — Critically Endangered

Elegant Fat-tailed Mouse Opossum

LC — Least Concern

Physical Characteristics

Attribute	Boreal Button Lichen	Elegant Fat-tailed Mouse Opossum
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.

Elegant Fat-tailed Mouse Opossum

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.