Bladder Fern vs Harmless Serotine

Cystopteris fragilis compared with Eptesicus innoxius

Key Differences

• Bladder Fern is Not Evaluated while Harmless Serotine is Near Threatened.

Taxonomic Classification

Rank	Bladder Fern	Harmless Serotine
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Tracheophyta	Chordata (Chordates)
Class	Polypodiopsida (Polypodiopsida)	Mammalia (Mammals)
Order	Polypodiales (Polypodiales)	Chiroptera (Bats)
Family	Cystopteridaceae	Vespertilionidae
Genus	Cystopteris	Eptesicus
Species	Cystopteris fragilis	Eptesicus innoxius

Conservation Status

Bladder Fern

NE — Not Evaluated

Harmless Serotine

NT — Near Threatened

Physical Characteristics

Attribute	Bladder Fern	Harmless Serotine
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).

Harmless Serotine

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Bladder Fern

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