Bladder Fern vs Pasyuk

Cystopteris fragilis compared with Rattus norvegicus

Key Differences

Bladder Fern is Not Evaluated while Pasyuk is Least Concern.

Taxonomic Classification

Rank	Bladder Fern	Pasyuk
Kingdom	Plantae (растения)	Animalia (животные)
Phylum	Tracheophyta	Chordata (хордовые)
Class	Polypodiopsida (папоротниковые)	Mammalia (млекопитающие)
Order	Polypodiales (многоножковые)	Rodentia (грызуны)
Family	Cystopteridaceae	Muridae (Mice & Rats)
Genus	Cystopteris	Rattus
Species	Cystopteris fragilis	Rattus norvegicus

Conservation Status

Bladder Fern

NE — Not Evaluated

Pasyuk

LC — Least Concern

Physical Characteristics

Attribute	Bladder Fern	Pasyuk
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).

Pasyuk

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 10 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (11 countries), Asia (15 countries), Europe (41 countries), North America (16 countries), Oceania and the Pacific (10 countries), and South America (10 countries).

Bladder Fern

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

Pasyuk

Brown Rat (Rattus norvegicus) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.