Boreal Button Lichen vs Laxmann's Shrew

Buellia disciformis compared with Sorex caecutiens

Key Differences

Boreal Button Lichen is Critically Endangered while Laxmann's Shrew is Least Concern.

Taxonomic Classification

Rank	Boreal Button Lichen	Laxmann's Shrew
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Ascomycota (Sac Fungi)	Chordata (Chordates)
Class	Lecanoromycetes (Lecanoromycetes)	Mammalia (Mammals)
Order	Caliciales (Caliciales)	Soricomorpha (Soricomorpha)
Family	Caliciaceae	Soricidae
Genus	Buellia	Sorex
Species	Buellia disciformis	Sorex caecutiens

Conservation Status

Boreal Button Lichen

CR — Critically Endangered

Laxmann's Shrew

LC — Least Concern

Physical Characteristics

Attribute	Boreal Button Lichen	Laxmann's Shrew
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.

Laxmann's Shrew

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Norway, Russia, and Sweden.

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.