Blue-Gray Rosette Lichen vs Brook-Side Alder

Physcia caesia compared with Alnus serrulata

Taxonomic Classification

Rank	Blue-Gray Rosette Lichen	Brook-Side Alder
Kingdom	Fungi (Fungi)	Plantae (Plants)
Phylum	Ascomycota (Sac Fungi)	Magnoliophyta (Flowering Plants)
Class	Lecanoromycetes (Lecanoromycetes)	Magnoliopsida (Dicots)
Order	Caliciales (Caliciales)	Fagales (Beeches & Oaks)
Family	Physciaceae	Betulaceae
Genus	Physcia	Alnus
Species	Physcia caesia	Alnus serrulata

Conservation Status

Blue-Gray Rosette Lichen

LC — Least Concern

Brook-Side Alder

LC — Least Concern

Physical Characteristics

Attribute	Blue-Gray Rosette Lichen	Brook-Side Alder
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.

Brook-Side Alder

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Distributed across Canada 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.

Brook-Side Alder

The Brook-Side Alder (Alnus serrulata) is a species in the genus Alnus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.