Brittle Bladderfern vs Harmless Serotine

Cystopteris tenuis compared with Eptesicus innoxius

Key Differences

• Brittle Bladderfern is Not Evaluated while Harmless Serotine is Near Threatened.

Taxonomic Classification

Rank	Brittle Bladderfern	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 tenuis	Eptesicus innoxius

Conservation Status

Brittle Bladderfern

NE — Not Evaluated

Harmless Serotine

NT — Near Threatened

Physical Characteristics

Attribute	Brittle Bladderfern	Harmless Serotine
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.

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.

Brittle Bladderfern

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