Castor vs limestone fern

Ricinus communis compared with Gymnocarpium robertianum

Key Differences

• Castor is Not Evaluated while limestone fern is Critically Endangered.

Taxonomic Classification

Rank	Castor	limestone fern
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum	Magnoliophyta (Flowering Plants)	Tracheophyta
Class	Magnoliopsida (Dicots)	Polypodiopsida (Polypodiopsida)
Order	Malpighiales (Malpighiales)	Polypodiales (Polypodiales)
Family	Euphorbiaceae	Cystopteridaceae
Genus	Ricinus	Gymnocarpium
Species	Ricinus communis	Gymnocarpium robertianum

Evolutionary Relationship

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

Conservation Status

Castor

NE — Not Evaluated

limestone fern

CR — Critically Endangered

Physical Characteristics

Attribute	Castor	limestone fern
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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).

limestone fern

Habitat

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

Range

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

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 3 countries:

🇧🇪 Belgium 🇳🇴 Norway 🇸🇪 Sweden