Caucasian Birch Mouse vs

Sicista caucasica compared with Clitocybe subspadicea

Key Differences

• Caucasian Birch Mouse is Near Threatened while is Data Deficient.

Taxonomic Classification

Rank	Caucasian Birch Mouse
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Basidiomycota (Club Fungi)
Class	Mammalia (Mammals)	Agaricomycetes (Mushrooms)
Order	Rodentia (Rodents)	Agaricales (Gilled Mushrooms)
Family	Dipodidae	Tricholomataceae
Genus	Sicista	Clitocybe
Species	Sicista caucasica	Clitocybe subspadicea

Conservation Status

Caucasian Birch Mouse

NT — Near Threatened

DD — Data Deficient

Physical Characteristics

Attribute	Caucasian Birch Mouse
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Caucasian Birch Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Habitat

Typically found in forest floors, decomposing wood, and soil ecosystems.

Range

Distributed across Denmark, Norway, and Sweden.

Caucasian Birch Mouse

The Caucasian Birch Mouse (Sicista caucasica) is a species in the genus Sicista. It is currently classified as Near Threatened on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Clitocybe subspadicea is an agaric fungus in the family Tricholomataceae native to temperate European forests. The species epithet subspadicea indicates a date-brown or chestnut-brown coloration ('spadiceus' meaning date-brown in Latin), somewhat darker than the whitish or pale grey tones typical of many Clitocybe species, making it more readily distinguished in the field. It fruits in autumn on forest floors of deciduous and mixed woodlands, where it decomposes leaf litter and organic matter as a saprotrophic fungus. The cap is depressed to funnel-shaped, gills are decurrent and crowded, and the stipe is cylindrical and slender, following the typical Clitocybe growth form. The darker pigmentation may reflect production of melanins or other pigment compounds providing protection against UV radiation or desiccation during fruiting. Documentation of species like C. subspadicea through careful field work and herbarium specimens contributes to understanding the remarkable macrofungal diversity of European temperate forests, where hundreds of agaric species perform essential ecological roles in energy flow and nutrient cycling.