Brittle Bladderfern vs Polynesian rat

Cystopteris tenuis compared with Rattus exulans

Key Differences

Brittle Bladderfern is Not Evaluated while Polynesian rat is Least Concern.

Taxonomic Classification

Rank	Brittle Bladderfern	Polynesian rat
Kingdom	Plantae (Pflanzen)	Animalia (Tier)
Phylum	Tracheophyta	Chordata (Chordatiere)
Class	Polypodiopsida (Echte Farne)	Mammalia (Säugetiere)
Order	Polypodiales (Tüpfelfarnartige)	Rodentia (Nagetiere)
Family	Cystopteridaceae	Muridae (Mice & Rats)
Genus	Cystopteris	Rattus
Species	Cystopteris tenuis	Rattus exulans

Conservation Status

Brittle Bladderfern

NE — Not Evaluated

Polynesian rat

LC — Least Concern

Physical Characteristics

Attribute	Brittle Bladderfern	Polynesian 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.

Polynesian rat

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical coniferous forests, among 4 distinct biome types spanning the Australasia and Indomalayan realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (6 countries), Europe (United Kingdom), North America (United States), Oceania and the Pacific (11 countries), and South America (Chile).

Brittle Bladderfern

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