Concentric Ring Lichen vs Pacific Spiny-rat

Arctoparmelia centrifuga compared with Proechimys decumanus

Key Differences

• Concentric Ring Lichen is Least Concern while Pacific Spiny-rat is Near Threatened.

Taxonomic Classification

Rank	Concentric Ring Lichen	Pacific Spiny-rat
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Ascomycota (Sac Fungi)	Chordata (Chordates)
Class	Lecanoromycetes (Lecanoromycetes)	Mammalia (Mammals)
Order	Lecanorales (Lecanorales)	Rodentia (Rodents)
Family	Parmeliaceae	Echimyidae
Genus	Arctoparmelia	Proechimys
Species	Arctoparmelia centrifuga	Proechimys decumanus

Conservation Status

Concentric Ring Lichen

LC — Least Concern

Pacific Spiny-rat

NT — Near Threatened

Physical Characteristics

Attribute	Concentric Ring Lichen	Pacific Spiny-rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Concentric Ring Lichen

Habitat

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

Range

Distributed across Norway, Sweden, and United States.

Pacific Spiny-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.