Boreal Button Lichen vs Humboldt's Squirrel Monkey

Buellia disciformis compared with Saimiri cassiquiarensis

Key Differences

• Boreal Button Lichen is Critically Endangered while Humboldt's Squirrel Monkey is Near Threatened.

Taxonomic Classification

Rank	Boreal Button Lichen	Humboldt's Squirrel Monkey
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Ascomycota (Sac Fungi)	Chordata (Chordates)
Class	Lecanoromycetes (Lecanoromycetes)	Mammalia (Mammals)
Order	Caliciales (Caliciales)	Primates (Primates)
Family	Caliciaceae	Cebidae
Genus	Buellia	Saimiri
Species	Buellia disciformis	Saimiri cassiquiarensis

Conservation Status

Boreal Button Lichen

CR — Critically Endangered

Humboldt's Squirrel Monkey

NT — Near Threatened

Physical Characteristics

Attribute	Boreal Button Lichen	Humboldt's Squirrel Monkey
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.

Humboldt's Squirrel Monkey

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Ecuador. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.