Brook Thistle vs Castor

Cirsium rivulare compared with Ricinus communis

Key Differences

• Brook Thistle is Extinct while Castor is Not Evaluated.

Taxonomic Classification

Rank	Brook Thistle	Castor
Kingdom same	Plantae (thực vật)	Plantae (thực vật)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class same	Magnoliopsida (Dicots)	Magnoliopsida (Dicots)
Order	Asterales (Bộ Cúc)	Malpighiales (Bộ Sơ ri)
Family	Asteraceae (Daisy Family)	Euphorbiaceae
Genus	Cirsium	Ricinus
Species	Cirsium rivulare	Ricinus communis

Evolutionary Relationship

Brook Thistle and Castor share a common ancestor at the Class level: Magnoliopsida. (Dicots)

Conservation Status

Brook Thistle

EX — Extinct

Castor

NE — Not Evaluated

Physical Characteristics

Attribute	Brook Thistle	Castor
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Brook Thistle

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Found across Europe (7 countries).

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).

Brook Thistle

The Brook Thistle (Cirsium rivulare) is a species in the genus Cirsium. It is currently classified as Extinct on the IUCN Red List. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

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 6 countries:

🇧🇪 Belgium 🇫🇷 France 🇳🇱 Netherlands 🇳🇴 Norway 🇸🇪 Sweden 🇬🇧 United Kingdom