Bristly Beard Lichen vs Gray Birch Mouse

Usnea hirta compared with Sicista pseudonapaea

Key Differences

• Bristly Beard Lichen is Least Concern while Gray Birch Mouse is Data Deficient.

Taxonomic Classification

Rank	Bristly Beard Lichen	Gray Birch Mouse
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Ascomycota (Sac Fungi)	Chordata (Chordates)
Class	Lecanoromycetes (Lecanoromycetes)	Mammalia (Mammals)
Order	Lecanorales (Lecanorales)	Rodentia (Rodents)
Family	Parmeliaceae	Dipodidae
Genus	Usnea	Sicista
Species	Usnea hirta	Sicista pseudonapaea

Conservation Status

Bristly Beard Lichen

LC — Least Concern

Gray Birch Mouse

DD — Data Deficient

Physical Characteristics

Attribute	Bristly Beard Lichen	Gray Birch Mouse
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bristly Beard Lichen

Habitat

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

Range

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

Gray Birch Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Bristly Beard Lichen

The Bristly Beard Lichen (Usnea hirta) is a species in the genus Usnea. It is currently classified as Least Concern on the IUCN Red List. Native to Europe and North America, inhabiting ecosystems characteristic of the region.