Boreal Button Lichen vs Lion

Buellia disciformis compared with Panthera leo

Key Differences

Boreal Button Lichen is Critically Endangered while Lion is Vulnerable.

Taxonomic Classification

Rank	Boreal Button Lichen	Lion
Kingdom	Fungi (เห็ดรา)	Animalia (สัตว์)
Phylum	Ascomycota (Sac Fungi)	Chordata (สัตว์มีแกนสันหลัง)
Class	Lecanoromycetes (Lecanoromycetes)	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)
Order	Caliciales (Caliciales)	Carnivora (สัตว์กินเนื้อ)
Family	Caliciaceae	Felidae (Cats)
Genus	Buellia	Panthera (Big Cats)
Species	Buellia disciformis	Panthera leo

Conservation Status

Boreal Button Lichen

CR — Critically Endangered

Lion

VU — Vulnerable

Population: ~23.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Boreal Button Lichen	Lion
Diet	—	Carnivore
Average Lifespan	—	15 years
Average Length	—	2.5 m
Average Weight	—	190.0 kg

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.

Lion

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical grasslands and savannas, and flooded grasslands and savannas, among 7 distinct biome types spanning the Afrotropic and Neotropic and Oceanian realms. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Colombia, Ecuador, and Kenya. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

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.

Lion

The largest wild cat in Africa, lions reach up to 250 kg and are the only social felids, living in prides across sub-Saharan savannas and grasslands. Males are distinguished by their iconic manes. As apex predators, they regulate herbivore populations and maintain ecosystem balance. Listed as Vulnerable due to habitat loss and human-wildlife conflict.