Castor vs Chalk Screw-moss

Ricinus communis compared with Tortula vahliana

Key Differences

• Castor is Not Evaluated while Chalk Screw-moss is Vulnerable.

Taxonomic Classification

Rank	Castor	Chalk Screw-moss
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum	Magnoliophyta (Flowering Plants)	Bryophyta
Class	Magnoliopsida (Dicots)	Bryopsida (Bryopsida)
Order	Malpighiales (Malpighiales)	Pottiales (Pottiales)
Family	Euphorbiaceae	Pottiaceae
Genus	Ricinus	Tortula
Species	Ricinus communis	Tortula vahliana

Evolutionary Relationship

Castor and Chalk Screw-moss share a common ancestor at the Kingdom level: Plantae. (Plants)

Conservation Status

Castor

NE — Not Evaluated

Chalk Screw-moss

VU — Vulnerable

Physical Characteristics

Attribute	Castor	Chalk Screw-moss
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).

Chalk Screw-moss

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Belgium, Norway, and Portugal. Currently classified as Vulnerable 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

Chalk Screw-moss

The Chalk Screw-moss (Tortula vahliana) is a species in the genus Tortula. It is currently classified as Vulnerable on the IUCN Red List. Native to Europe, inhabiting ecosystems characteristic of the region.

Shared Countries

Both species can be found in 3 countries:

🇧🇪 Belgium 🇳🇴 Norway 🇵🇹 Portugal