Brown Screw-moss vs Castor

Syntrichia princeps compared with Ricinus communis

Key Differences

• Brown Screw-moss is Near Threatened while Castor is Not Evaluated.

Taxonomic Classification

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

Evolutionary Relationship

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

Conservation Status

Brown Screw-moss

NT — Near Threatened

Castor

NE — Not Evaluated

Physical Characteristics

Attribute	Brown Screw-moss	Castor
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Brown Screw-moss

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Norway, Portugal, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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).

Brown Screw-moss

The Brown Screw-moss (Syntrichia princeps) is a species in the genus Syntrichia. It is currently classified as Near Threatened on the IUCN Red List. Native to Europe, 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 🇵🇹 Portugal 🇸🇪 Sweden