Black Crystalwort vs Castor

Riccia nigrella compared with Ricinus communis

Taxonomic Classification

Rank	Black Crystalwort	Castor
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum	Marchantiophyta (liverwort)	Magnoliophyta (Flowering Plants)
Class	Marchantiopsida (Marchantiopsida)	Magnoliopsida (Dicots)
Order	Marchantiales (Marchantiales)	Malpighiales (Malpighiales)
Family	Ricciaceae	Euphorbiaceae
Genus	Riccia	Ricinus
Species	Riccia nigrella	Ricinus communis

Evolutionary Relationship

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

Conservation Status

Black Crystalwort

NE — Not Evaluated

Castor

NE — Not Evaluated

Physical Characteristics

Attribute	Black Crystalwort	Castor
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black Crystalwort

Habitat

Native to Asia and Europe and Oceania, inhabiting ecosystems characteristic of the region.

Range

Distributed across Chile, Japan, New Zealand, Norway, and Portugal.

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).

Black Crystalwort

The Black Crystalwort (Riccia nigrella) is a species in the genus Riccia. Native to Asia and Europe and Oceania, inhabiting ecosystems characteristic of the region. Distributed across Chile, Japan, New Zealand, Norway, and Portugal.

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:

🇨🇱 Chile 🇯🇵 Japan 🇳🇿 New Zealand 🇳🇴 Norway 🇵🇹 Portugal