Ardilla Terrestre vs Parasitic Button Lichen

Spermophilus citellus compared with Buellia badia

Key Differences

• Ardilla Terrestre is Endangered while Parasitic Button Lichen is Extinct.

Taxonomic Classification

Rank	Ardilla Terrestre	Parasitic Button Lichen
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (cordados)	Ascomycota (Sac Fungi)
Class	Mammalia (mamíferos)	Lecanoromycetes (Lecanoromycetes)
Order	Rodentia (Rodents)	Caliciales (Caliciales)
Family	Sciuridae (Squirrels)	Caliciaceae
Genus	Spermophilus	Buellia
Species	Spermophilus citellus	Buellia badia

Conservation Status

Ardilla Terrestre

EN — Endangered

Parasitic Button Lichen

EX — Extinct

Physical Characteristics

Attribute	Ardilla Terrestre	Parasitic Button Lichen
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Ardilla Terrestre

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ukraine. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Parasitic Button Lichen

Habitat

Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, Portugal, Sweden, and United States.