Bladder Fern vs blunt tellin

Cystopteris fragilis compared with Arcopagia crassa

Key Differences

• Bladder Fern is Not Evaluated while blunt tellin is Vulnerable.

Taxonomic Classification

Rank	Bladder Fern	blunt tellin
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Tracheophyta	Mollusca (Mollusks)
Class	Polypodiopsida (Polypodiopsida)	Bivalvia (Bivalvia)
Order	Polypodiales (Polypodiales)	Cardiida (Cardiida)
Family	Cystopteridaceae	Tellinidae
Genus	Cystopteris	Arcopagia
Species	Cystopteris fragilis	Arcopagia crassa

Conservation Status

Bladder Fern

NE — Not Evaluated

blunt tellin

VU — Vulnerable

Physical Characteristics

Attribute	Bladder Fern	blunt tellin
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).

blunt tellin

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Belgium, Denmark, Norway, and Sweden. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Bladder Fern

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

blunt tellin

The Blunt tellin (Arcopagia crassa) is a species in the genus Arcopagia. It is currently classified as Vulnerable on the IUCN Red List. Native to Europe, inhabiting ecosystems characteristic of the region.

Shared Countries

Both species can be found in 4 countries:

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