Alpine Bladder-fern vs Northern Birch Mouse

Cystopteris alpina compared with Sicista betulina

Key Differences

• Alpine Bladder-fern is Near Threatened while Northern Birch Mouse is Least Concern.

Taxonomic Classification

Rank	Alpine Bladder-fern	Northern Birch Mouse
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Tracheophyta	Chordata (Chordates)
Class	Polypodiopsida (Polypodiopsida)	Mammalia (Mammals)
Order	Polypodiales (Polypodiales)	Rodentia (Rodents)
Family	Cystopteridaceae	Dipodidae
Genus	Cystopteris	Sicista
Species	Cystopteris alpina	Sicista betulina

Conservation Status

Alpine Bladder-fern

NT — Near Threatened

Northern Birch Mouse

LC — Least Concern

Physical Characteristics

Attribute	Alpine Bladder-fern	Northern Birch Mouse
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Alpine Bladder-fern

Habitat

Typically found in moist, shaded forest floors and tropical canopies.

Range

Distributed across Norway and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Northern Birch Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Denmark, Norway, Russia, Sweden, and Ukraine.

Alpine Bladder-fern

The Alpine Bladder-fern (Cystopteris alpina) is a species in the genus Cystopteris. It is currently classified as Near Threatened on the IUCN Red List. Typically found in moist, shaded forest floors and tropical canopies. Distributed across Norway and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Shared Countries

Both species can be found in 2 countries:

🇳🇴 Norway 🇸🇪 Sweden