Brittle Bladderfern vs Carriker’s Speckled Tree-rat

Cystopteris tenuis compared with Pattonomys carrikeri

Key Differences

• Brittle Bladderfern is Not Evaluated while Carriker’s Speckled Tree-rat is Data Deficient.

Taxonomic Classification

Rank	Brittle Bladderfern	Carriker’s 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 tenuis	Pattonomys carrikeri

Conservation Status

Brittle Bladderfern

NE — Not Evaluated

Carriker’s Speckled Tree-rat

DD — Data Deficient

Physical Characteristics

Attribute	Brittle Bladderfern	Carriker’s Speckled Tree-rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Brittle Bladderfern

Habitat

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

Range

Distributed across Canada and United States.

Carriker’s Speckled Tree-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Venezuela.

Brittle Bladderfern

The Brittle Bladderfern (Cystopteris tenuis) is a species in the genus Cystopteris. Typically found in moist, shaded forest floors and tropical canopies.

Carriker’s Speckled Tree-rat

The Carriker’s Speckled Tree-rat (Pattonomys carrikeri) is a species in the genus Pattonomys. It is currently classified as Data Deficient on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.