Blue-Gray Rosette Lichen vs Frosted Rosette Lichen

Physcia caesia compared with Physcia biziana

Key Differences

• Blue-Gray Rosette Lichen is Least Concern while Frosted Rosette Lichen is Not Evaluated.

Taxonomic Classification

Rank	Blue-Gray Rosette Lichen	Frosted Rosette Lichen
Kingdom same	Fungi (Pilze)	Fungi (Pilze)
Phylum same	Ascomycota (Schlauchpilze)	Ascomycota (Schlauchpilze)
Class same	Lecanoromycetes (Lecanoromycetes)	Lecanoromycetes (Lecanoromycetes)
Order same	Caliciales (Caliciales)	Caliciales (Caliciales)
Family same	Physciaceae	Physciaceae
Genus same	Physcia	Physcia
Species	Physcia caesia	Physcia biziana

Evolutionary Relationship

Blue-Gray Rosette Lichen and Frosted Rosette Lichen share a common ancestor at the Genus level: Physcia.

Conservation Status

Blue-Gray Rosette Lichen

LC — Least Concern

Frosted Rosette Lichen

NE — Not Evaluated

Physical Characteristics

Attribute	Blue-Gray Rosette Lichen	Frosted Rosette Lichen
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.

Frosted Rosette Lichen

Habitat

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

Range

Distributed across Norway, Portugal, and United States.

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 3 countries:

🇳🇴 Norway 🇵🇹 Portugal 🇺🇸 United States