Blue-Gray Rosette Lichen vs Lesser Noctule

Physcia caesia compared with Nyctalus leisleri

Key Differences

• Blue-Gray Rosette Lichen is Least Concern while Lesser Noctule is Endangered.

Taxonomic Classification

Rank	Blue-Gray Rosette Lichen	Lesser Noctule
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Ascomycota (Sac Fungi)	Chordata (Chordates)
Class	Lecanoromycetes (Lecanoromycetes)	Mammalia (Mammals)
Order	Caliciales (Caliciales)	Chiroptera (Bats)
Family	Physciaceae	Vespertilionidae
Genus	Physcia	Nyctalus
Species	Physcia caesia	Nyctalus leisleri

Conservation Status

Blue-Gray Rosette Lichen

LC — Least Concern

Lesser Noctule

EN — Endangered

Physical Characteristics

Attribute	Blue-Gray Rosette Lichen	Lesser Noctule
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.

Lesser Noctule

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Belgium, Denmark, Luxembourg, Sweden, and Ukraine. Currently classified as 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.

Shared Countries

Both species can be found in 2 countries:

🇩🇰 Denmark 🇸🇪 Sweden