Bladder Fern vs Brindled Flat-body

Cystopteris fragilis compared with Agonopterix arenella

Key Differences

• Bladder Fern is Not Evaluated while Brindled Flat-body is Least Concern.

Taxonomic Classification

Rank	Bladder Fern	Brindled Flat-body
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Tracheophyta	Arthropoda (Arthropods)
Class	Polypodiopsida (Polypodiopsida)	Insecta (Insects)
Order	Polypodiales (Polypodiales)	Lepidoptera (Butterflies & Moths)
Family	Cystopteridaceae	Depressariidae
Genus	Cystopteris	Agonopterix
Species	Cystopteris fragilis	Agonopterix arenella

Conservation Status

Bladder Fern

NE — Not Evaluated

Brindled Flat-body

LC — Least Concern

Physical Characteristics

Attribute	Bladder Fern	Brindled Flat-body
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).

Brindled Flat-body

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

Bladder Fern

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

Brindled Flat-body

The Brindled Flat-body (Agonopterix arenella) is a species in the genus Agonopterix. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

Shared Countries

Both species can be found in 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden