Alpine Bladder-fern vs Narrow-headed Slender Opossum

Cystopteris alpina compared with Marmosops cracens

Key Differences

• Alpine Bladder-fern is Near Threatened while Narrow-headed Slender Opossum is Data Deficient.

Taxonomic Classification

Rank	Alpine Bladder-fern	Narrow-headed Slender Opossum
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Tracheophyta	Chordata (Chordates)
Class	Polypodiopsida (Polypodiopsida)	Mammalia (Mammals)
Order	Polypodiales (Polypodiales)	Didelphimorphia (Didelphimorphia)
Family	Cystopteridaceae	Didelphidae
Genus	Cystopteris	Marmosops
Species	Cystopteris alpina	Marmosops cracens

Conservation Status

Alpine Bladder-fern

NT — Near Threatened

Narrow-headed Slender Opossum

DD — Data Deficient

Physical Characteristics

Attribute	Alpine Bladder-fern	Narrow-headed Slender Opossum
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.

Narrow-headed Slender Opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Venezuela.

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.