Bastard Nodding Thistle vs slender thistle

Carduus acanthoides compared with Carduus tenuiflorus

Taxonomic Classification

Rank	Bastard Nodding Thistle	slender thistle
Kingdom same	Plantae (نباتات)	Plantae (نباتات)
Phylum same	Magnoliophyta (كاسيات البذور)	Magnoliophyta (كاسيات البذور)
Class same	Magnoliopsida (ماغنولانية)	Magnoliopsida (ماغنولانية)
Order same	Asterales (نجميات)	Asterales (نجميات)
Family same	Asteraceae (Daisy Family)	Asteraceae (Daisy Family)
Genus same	Carduus	Carduus
Species	Carduus acanthoides	Carduus tenuiflorus

Evolutionary Relationship

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

Conservation Status

Bastard Nodding Thistle

NT — Near Threatened

slender thistle

NT — Near Threatened

Physical Characteristics

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

Habitat & Geographic Range

Bastard Nodding Thistle

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, tundra, and tropical and subtropical moist broadleaf forests, among 8 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (4 countries), Europe (18 countries), North America (Canada, United States), Oceania and the Pacific (Australia, New Zealand), and South America (Argentina). 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 Nodding Thistle

The Bastard Nodding Thistle (Carduus acanthoides) 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 8 distinct biome types. Populations are also found in montane and highland environments.

Shared Countries

Both species can be found in 9 countries:

🇦🇷 Argentina 🇦🇺 Australia 🇧🇪 Belgium 🇨🇿 Czech Republic 🇩🇰 Denmark 🇳🇴 Norway 🇵🇱 Poland 🇸🇪 Sweden 🇺🇸 United States