Gray Birch Mouse vs Pitted Beard Lichen

Sicista pseudonapaea compared with Usnea cavernosa

Key Differences

• Gray Birch Mouse is Data Deficient while Pitted Beard Lichen is Not Evaluated.

Taxonomic Classification

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

Conservation Status

Gray Birch Mouse

DD — Data Deficient

Pitted Beard Lichen

NE — Not Evaluated

Physical Characteristics

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

Habitat & Geographic Range

Gray Birch Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Pitted Beard Lichen

Habitat

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

Range

Distributed across Norway and United States.