Castor vs Dark Stonewort

Ricinus communis compared with Nitella opaca

Key Differences

• Castor is Not Evaluated while Dark Stonewort is Least Concern.

Taxonomic Classification

Rank	Castor	Dark Stonewort
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum	Magnoliophyta (Flowering Plants)	Charophyta (Charophyta)
Class	Magnoliopsida (Dicots)	Charophyceae (Charophyceae)
Order	Malpighiales (Malpighiales)	Charales (Charales)
Family	Euphorbiaceae	Characeae
Genus	Ricinus	Nitella
Species	Ricinus communis	Nitella opaca

Evolutionary Relationship

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

Conservation Status

Castor

NE — Not Evaluated

Dark Stonewort

LC — Least Concern

Physical Characteristics

Attribute	Castor	Dark Stonewort
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).

Dark Stonewort

Habitat

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

Range

Distributed across Brazil, Denmark, Norway, Sweden, and United States.

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 5 countries:

🇧🇷 Brazil 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden 🇺🇸 United States