Black Knapweed vs Rough Star-thistle

Centaurea nigra compared with Centaurea aspera

Taxonomic Classification

Rank	Black Knapweed	Rough Star-thistle
Kingdom same	Plantae (พืช)	Plantae (พืช)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class same	Magnoliopsida (พืชใบเลี้ยงคู่)	Magnoliopsida (พืชใบเลี้ยงคู่)
Order same	Asterales (อันดับทานตะวัน)	Asterales (อันดับทานตะวัน)
Family same	Asteraceae (Daisy Family)	Asteraceae (Daisy Family)
Genus same	Centaurea	Centaurea
Species	Centaurea nigra	Centaurea aspera

Evolutionary Relationship

Black Knapweed and Rough Star-thistle share a common ancestor at the Genus level: Centaurea.

Conservation Status

Black Knapweed

NE — Not Evaluated

Rough Star-thistle

NE — Not Evaluated

Physical Characteristics

Attribute	Black Knapweed	Rough Star-thistle
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black Knapweed

Habitat

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

Range

Widely distributed across Asia (Japan), Europe (7 countries), North America (Canada, United States), Oceania and the Pacific (Australia), and South America (Chile).

Rough Star-thistle

Habitat

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

Range

Widely distributed across Europe (7 countries), North America (United States), and Oceania and the Pacific (Australia).

Black Knapweed

The Black Knapweed (Centaurea nigra) is a species in the genus Centaurea. Typically found in diverse terrestrial habitats from tropical forests to temperate regions. Its geographic range spans Widely distributed across Asia (Japan), Europe (7 countries), North America (Canada, United States), Oceania and the Pacific (Australia), and South America (Chile).

Shared Countries

Both species can be found in 6 countries:

🇦🇺 Australia 🇩🇰 Denmark 🇫🇷 France 🇳🇴 Norway 🇸🇪 Sweden 🇺🇸 United States