Brittle Bladderfern vs European Ground Squirrel

Cystopteris tenuis compared with Spermophilus citellus

Key Differences

• Brittle Bladderfern is Not Evaluated while European Ground Squirrel is Endangered.

Taxonomic Classification

Rank	Brittle Bladderfern	European Ground Squirrel
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Tracheophyta	Chordata (Chordates)
Class	Polypodiopsida (Polypodiopsida)	Mammalia (Mammals)
Order	Polypodiales (Polypodiales)	Rodentia (Rodents)
Family	Cystopteridaceae	Sciuridae (Squirrels)
Genus	Cystopteris	Spermophilus
Species	Cystopteris tenuis	Spermophilus citellus

Conservation Status

Brittle Bladderfern

NE — Not Evaluated

European Ground Squirrel

EN — Endangered

Physical Characteristics

Attribute	Brittle Bladderfern	European Ground Squirrel
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.

European Ground Squirrel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ukraine. Currently classified as Endangered 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.