Blue-Gray Rosette Lichen vs European pine marten

Physcia caesia compared with Martes martes

Key Differences

Blue-Gray Rosette Lichen is Least Concern while European pine marten is Critically Endangered.

Taxonomic Classification

Rank	Blue-Gray Rosette Lichen	European pine marten
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Ascomycota (Sac Fungi)	Chordata (Chordates)
Class	Lecanoromycetes (Lecanoromycetes)	Mammalia (Mammals)
Order	Caliciales (Caliciales)	Carnivora (Carnivorans)
Family	Physciaceae	Mustelidae (Weasels & Otters)
Genus	Physcia	Martes
Species	Physcia caesia	Martes martes

Conservation Status

Blue-Gray Rosette Lichen

LC — Least Concern

European pine marten

CR — Critically Endangered

Physical Characteristics

Attribute	Blue-Gray Rosette Lichen	European pine marten
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Blue-Gray Rosette Lichen

Habitat

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

Range

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

European pine marten

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and Mediterranean forests and woodlands within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found across Europe (6 countries). Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Blue-Gray Rosette Lichen

The Blue Gray Rosette Lichen (Physcia caesia) is a species in the genus Physcia. It is currently classified as Least Concern on the IUCN Red List. Native to Europe and North America, inhabiting ecosystems characteristic of the region.

European pine marten

European pine marten (Martes martes) is classified as Critically Endangered (CR) on the IUCN Red List. Facing an extremely high risk of extinction in the wild due to severe population decline and habitat loss.