Alpine Bladder-fern vs Orinocan Speckled Tree-rat

Cystopteris alpina compared with Pattonomys punctatus

Key Differences

• Alpine Bladder-fern is Near Threatened while Orinocan Speckled Tree-rat is Data Deficient.

Taxonomic Classification

Rank	Alpine Bladder-fern	Orinocan Speckled Tree-rat
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Tracheophyta	Chordata (Chordates)
Class	Polypodiopsida (Polypodiopsida)	Mammalia (Mammals)
Order	Polypodiales (Polypodiales)	Rodentia (Rodents)
Family	Cystopteridaceae	Echimyidae
Genus	Cystopteris	Pattonomys
Species	Cystopteris alpina	Pattonomys punctatus

Conservation Status

Alpine Bladder-fern

NT — Near Threatened

Orinocan Speckled Tree-rat

DD — Data Deficient

Physical Characteristics

Attribute	Alpine Bladder-fern	Orinocan Speckled Tree-rat
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.

Orinocan Speckled Tree-rat

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.