Bladder Fern vs Bridge Roller

Cystopteris fragilis compared with Ancylis uncella

Key Differences

• Bladder Fern is Not Evaluated while Bridge Roller is Least Concern.

Taxonomic Classification

Rank	Bladder Fern	Bridge Roller
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Tracheophyta	Arthropoda (Arthropods)
Class	Polypodiopsida (Polypodiopsida)	Insecta (Insects)
Order	Polypodiales (Polypodiales)	Lepidoptera (Butterflies & Moths)
Family	Cystopteridaceae	Tortricidae
Genus	Cystopteris	Ancylis
Species	Cystopteris fragilis	Ancylis uncella

Conservation Status

Bladder Fern

NE — Not Evaluated

Bridge Roller

LC — Least Concern

Physical Characteristics

Attribute	Bladder Fern	Bridge Roller
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).

Bridge Roller

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.

Bridge Roller

The Bridge Roller (Ancylis uncella) is a species in the genus Ancylis. 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