Brittle Bladderfern vs Ecuadorian Cotton Rat

Cystopteris tenuis compared with Sigmodon inopinatus

Key Differences

• Brittle Bladderfern is Not Evaluated while Ecuadorian Cotton Rat is Vulnerable.

Taxonomic Classification

Rank	Brittle Bladderfern	Ecuadorian Cotton Rat
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Tracheophyta	Chordata (Chordates)
Class	Polypodiopsida (Polypodiopsida)	Mammalia (Mammals)
Order	Polypodiales (Polypodiales)	Rodentia (Rodents)
Family	Cystopteridaceae	Cricetidae
Genus	Cystopteris	Sigmodon
Species	Cystopteris tenuis	Sigmodon inopinatus

Conservation Status

Brittle Bladderfern

NE — Not Evaluated

Ecuadorian Cotton Rat

VU — Vulnerable

Physical Characteristics

Attribute	Brittle Bladderfern	Ecuadorian Cotton 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.

Ecuadorian Cotton Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Brittle Bladderfern

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