Bladder Fern vs Burdock Conch

Cystopteris fragilis compared with Aethes rubigana

Key Differences

• Bladder Fern is Not Evaluated while Burdock Conch is Least Concern.

Taxonomic Classification

Rank	Bladder Fern	Burdock Conch
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	Aethes
Species	Cystopteris fragilis	Aethes rubigana

Conservation Status

Bladder Fern

NE — Not Evaluated

Burdock Conch

LC — Least Concern

Physical Characteristics

Attribute	Bladder Fern	Burdock Conch
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).

Burdock Conch

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.

Burdock Conch

The Burdock Conch (Aethes rubigana) is a species in the genus Aethes. 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