Bastard Scotch Thistle vs slender thistle

Carduus nutans compared with Carduus tenuiflorus

Taxonomic Classification

Rank	Bastard Scotch Thistle	slender thistle
Kingdom same	Plantae (thực vật)	Plantae (thực vật)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class same	Magnoliopsida (Dicots)	Magnoliopsida (Dicots)
Order same	Asterales (Bộ Cúc)	Asterales (Bộ Cúc)
Family same	Asteraceae (Daisy Family)	Asteraceae (Daisy Family)
Genus same	Carduus	Carduus
Species	Carduus nutans	Carduus tenuiflorus

Evolutionary Relationship

Bastard Scotch Thistle and slender thistle share a common ancestor at the Genus level: Carduus.

Conservation Status

Bastard Scotch Thistle

NT — Near Threatened

slender thistle

NT — Near Threatened

Physical Characteristics

Attribute	Bastard Scotch Thistle	slender thistle
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bastard Scotch Thistle

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, tundra, and tropical and subtropical moist broadleaf forests, among 6 distinct biome types spanning the Australasia and Neotropic and Oceanian realms.

Range

Widely distributed across Africa (South Africa), Asia (India), Europe (8 countries), North America (Canada, Mexico, United States), Oceania and the Pacific (New Zealand), and South America (Argentina, Brazil, Chile). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

slender thistle

Habitat

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

Range

Widely distributed across Africa (South Africa), Asia (Japan), Europe (7 countries), North America (United States), Oceania and the Pacific (Australia), and South America (Argentina, Brazil, Chile). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Bastard Scotch Thistle

The Bastard Scotch Thistle (Carduus nutans) is a species in the genus Carduus. It is currently classified as Near Threatened on the IUCN Red List. Found across multiple habitat types including temperate broadleaf and mixed forests, tundra, and tropical and subtropical moist broadleaf forests, among 6 distinct biome types spanning the Australasia and Neotropic and Oceanian realms.

Shared Countries

Both species can be found in 10 countries:

🇦🇷 Argentina 🇧🇪 Belgium 🇧🇷 Brazil 🇨🇱 Chile 🇩🇰 Denmark 🇳🇴 Norway 🇵🇱 Poland 🇿🇦 South Africa 🇸🇪 Sweden 🇺🇸 United States