Blackthorn Dotty vs Castor

Polystigma rubrum compared with Ricinus communis

Key Differences

• Blackthorn Dotty is Least Concern while Castor is Not Evaluated.

Taxonomic Classification

Rank	Blackthorn Dotty	Castor
Kingdom	Fungi (真菌界)	Plantae (植物)
Phylum	Ascomycota (子囊菌门)	Magnoliophyta (木兰植物门)
Class	Sordariomycetes (粪壳菌纲)	Magnoliopsida (木兰纲)
Order	Phyllachorales (黑痣菌目)	Malpighiales (金虎尾目)
Family	Phyllachoraceae	Euphorbiaceae
Genus	Polystigma	Ricinus
Species	Polystigma rubrum	Ricinus communis

Conservation Status

Blackthorn Dotty

LC — Least Concern

Castor

NE — Not Evaluated

Physical Characteristics

Attribute	Blackthorn Dotty	Castor
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Blackthorn Dotty

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, and Sweden.

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).

Blackthorn Dotty

The Blackthorn Dotty (Polystigma rubrum) is a species in the genus Polystigma. It is currently classified as Least Concern on the IUCN Red List. Distributed across Denmark, Norway, and Sweden.

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:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden