Bladder Fern vs Polynesian rat

Cystopteris fragilis compared with Rattus exulans

Key Differences

• Bladder Fern is Not Evaluated while Polynesian rat is Least Concern.

Taxonomic Classification

Rank	Bladder Fern	Polynesian rat
Kingdom	Plantae (tumbuhan)	Animalia (hewan)
Phylum	Tracheophyta	Chordata (Chordates)
Class	Polypodiopsida (Polypodiopsida)	Mammalia (mamalia)
Order	Polypodiales (Polypodiales)	Rodentia (hewan pengerat)
Family	Cystopteridaceae	Muridae (Mice & Rats)
Genus	Cystopteris	Rattus
Species	Cystopteris fragilis	Rattus exulans

Conservation Status

Bladder Fern

NE — Not Evaluated

Polynesian rat

LC — Least Concern

Physical Characteristics

Attribute	Bladder Fern	Polynesian rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bladder Fern

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (6 countries), North America (Canada, United States), and South America (Colombia).

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).

Bladder Fern

The Bladder Fern (Cystopteris fragilis) is a species in the genus Cystopteris. Typically found in moist, shaded forest floors and tropical canopies.

Shared Countries

Both species can be found in 2 countries:

🇹🇼 Taiwan 🇺🇸 United States