Alpine Bladder-fern vs Hoffmann s Pika

Cystopteris alpina compared with Ochotona hoffmanni

Key Differences

• Alpine Bladder-fern is Near Threatened while Hoffmann s Pika is Endangered.

Taxonomic Classification

Rank	Alpine Bladder-fern	Hoffmann s Pika
Kingdom	Plantae (植物)	Animalia (動物)
Phylum	Tracheophyta	Chordata (脊索動物)
Class	Polypodiopsida (ウラボシ綱)	Mammalia (哺乳類)
Order	Polypodiales (ウラボシ目)	Lagomorpha (ウサギ目)
Family	Cystopteridaceae	Ochotonidae
Genus	Cystopteris	Ochotona
Species	Cystopteris alpina	Ochotona hoffmanni

Conservation Status

Alpine Bladder-fern

NT — Near Threatened

Hoffmann s Pika

EN — Endangered

Physical Characteristics

Attribute	Alpine Bladder-fern	Hoffmann s Pika
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.

Hoffmann s Pika

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.