Bladder Fern vs Castor

Cystopteris fragilis compared with Ricinus communis

Taxonomic Classification

Rank	Bladder Fern	Castor
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum	Tracheophyta	Magnoliophyta (Flowering Plants)
Class	Polypodiopsida (Polypodiopsida)	Magnoliopsida (Dicots)
Order	Polypodiales (Polypodiales)	Malpighiales (Malpighiales)
Family	Cystopteridaceae	Euphorbiaceae
Genus	Cystopteris	Ricinus
Species	Cystopteris fragilis	Ricinus communis

Evolutionary Relationship

Bladder Fern and Castor share a common ancestor at the Kingdom level: Plantae. (Plants)

Conservation Status

Bladder Fern

NE — Not Evaluated

Castor

NE — Not Evaluated

Physical Characteristics

Attribute	Bladder Fern	Castor
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).

Castor

Habitat

Found across multiple habitat types including tropical and subtropical dry broadleaf forests, flooded grasslands and savannas, and montane grasslands and shrublands, among 7 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (33 countries), Asia (26 countries), Europe (23 countries), North America (15 countries), Oceania and the Pacific (14 countries), and South America (12 countries).

Bladder Fern

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

Castor

The Castor (Ricinus communis) is a species in the genus Ricinus. Found across multiple habitat types including tropical and subtropical dry broadleaf forests, flooded grasslands and savannas, and montane grasslands and shrublands, among 7 distinct biome types. Populations are also found in montane and hi

Shared Countries

Both species can be found in 8 countries:

🇧🇪 Belgium 🇨🇴 Colombia 🇩🇰 Denmark 🇫🇷 France 🇳🇴 Norway 🇸🇪 Sweden 🇹🇼 Taiwan 🇺🇸 United States