American Rosette Lichen vs Star Rosette Lichen

Physcia americana compared with Physcia stellaris

Key Differences

• American Rosette Lichen is Not Evaluated while Star Rosette Lichen is Endangered.

Taxonomic Classification

Rank	American Rosette Lichen	Star 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 americana	Physcia stellaris

Evolutionary Relationship

American Rosette Lichen and Star Rosette Lichen share a common ancestor at the Genus level: Physcia.

Conservation Status

American Rosette Lichen

NE — Not Evaluated

Star Rosette Lichen

EN — Endangered

Physical Characteristics

Attribute	American Rosette Lichen	Star Rosette Lichen
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

American Rosette Lichen

Habitat

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

Range

Distributed across Norway and United States.

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

American Rosette Lichen

The American Rosette Lichen (Physcia americana) is a species in the genus Physcia. Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Shared Countries

Both species can be found in 2 countries:

🇳🇴 Norway 🇺🇸 United States