Alpine Bladder-fern vs Central Andes Oldfield Mouse

Cystopteris alpina compared with Thomasomys contradictus

Key Differences

• Alpine Bladder-fern is Near Threatened while Central Andes Oldfield Mouse is Data Deficient.

Taxonomic Classification

Rank	Alpine Bladder-fern	Central Andes Oldfield Mouse
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Tracheophyta	Chordata (Chordates)
Class	Polypodiopsida (Polypodiopsida)	Mammalia (Mammals)
Order	Polypodiales (Polypodiales)	Rodentia (Rodents)
Family	Cystopteridaceae	Cricetidae
Genus	Cystopteris	Thomasomys
Species	Cystopteris alpina	Thomasomys contradictus

Conservation Status

Alpine Bladder-fern

NT — Near Threatened

Central Andes Oldfield Mouse

DD — Data Deficient

Physical Characteristics

Attribute	Alpine Bladder-fern	Central Andes Oldfield 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.

Central Andes Oldfield Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Colombia.

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.

Central Andes Oldfield Mouse

The Central Andes Oldfield Mouse (Thomasomys contradictus) is a species in the genus Thomasomys. It is currently classified as Data Deficient on the IUCN Red List. Found in Colombia.