Boreal Button Lichen vs Laotian langur

Buellia disciformis compared with Trachypithecus laotum

Key Differences

• Boreal Button Lichen is Critically Endangered while Laotian langur is Endangered.

Taxonomic Classification

Rank	Boreal Button Lichen	Laotian langur
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Ascomycota (Sac Fungi)	Chordata (Chordates)
Class	Lecanoromycetes (Lecanoromycetes)	Mammalia (Mammals)
Order	Caliciales (Caliciales)	Primates (Primates)
Family	Caliciaceae	Cercopithecidae (Old World Monkeys)
Genus	Buellia	Trachypithecus
Species	Buellia disciformis	Trachypithecus laotum

Conservation Status

Boreal Button Lichen

CR — Critically Endangered

Laotian langur

EN — Endangered

Physical Characteristics

Attribute	Boreal Button Lichen	Laotian langur
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.

Laotian langur

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.