Alpine Bladder-fern vs Castor

Cystopteris alpina compared with Ricinus communis

Key Differences

• Alpine Bladder-fern is Near Threatened while Castor is Not Evaluated.

Taxonomic Classification

Rank	Alpine Bladder-fern	Castor
Kingdom same	Plantae (식물)	Plantae (식물)
Phylum	Tracheophyta	Magnoliophyta (피자식물문)
Class	Polypodiopsida (고사리강)	Magnoliopsida (목련강)
Order	Polypodiales (고사리목)	Malpighiales (말피기아목)
Family	Cystopteridaceae	Euphorbiaceae
Genus	Cystopteris	Ricinus
Species	Cystopteris alpina	Ricinus communis

Evolutionary Relationship

Alpine Bladder-fern and Castor share a common ancestor at the Kingdom level: Plantae. (식물)

Conservation Status

Alpine Bladder-fern

NT — Near Threatened

Castor

NE — Not Evaluated

Physical Characteristics

Attribute	Alpine Bladder-fern	Castor
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Alpine Bladder-fern

Habitat

Typically found in moist, shaded forest floors and tropical canopies.

Range

Distributed across Norway and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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).

Alpine Bladder-fern

The Alpine Bladder-fern (Cystopteris alpina) is a species in the genus Cystopteris. It is currently classified as Near Threatened on the IUCN Red List. Typically found in moist, shaded forest floors and tropical canopies. Distributed across Norway and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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 2 countries:

🇳🇴 Norway 🇸🇪 Sweden