arctic threadwort vs Castor

Cephaloziella varians compared with Ricinus communis

Key Differences

• arctic threadwort is Least Concern while Castor is Not Evaluated.

Taxonomic Classification

Rank	arctic threadwort	Castor
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum	Marchantiophyta (liverwort)	Magnoliophyta (Flowering Plants)
Class	Jungermanniopsida (Jungermanniopsida)	Magnoliopsida (Dicots)
Order	Jungermanniales (Jungermanniales)	Malpighiales (Malpighiales)
Family	Cephaloziellaceae	Euphorbiaceae
Genus	Cephaloziella	Ricinus
Species	Cephaloziella varians	Ricinus communis

Evolutionary Relationship

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

Conservation Status

arctic threadwort

LC — Least Concern

Castor

NE — Not Evaluated

Physical Characteristics

Attribute	arctic threadwort	Castor
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

arctic threadwort

Habitat

Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Norway, Sweden, and United States.

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).

arctic threadwort

The Arctic threadwort (Cephaloziella varians) is a species in the genus Cephaloziella. It is currently classified as Least Concern on the IUCN Red List. Native to Europe and North America, inhabiting ecosystems characteristic of the region.

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:

🇳🇴 Norway 🇸🇪 Sweden 🇺🇸 United States