Black Knapweed vs Brown Knapweed

Centaurea nigra compared with Centaurea jacea

Key Differences

• Black Knapweed is Not Evaluated while Brown Knapweed is Least Concern.

Taxonomic Classification

Rank	Black Knapweed	Brown Knapweed
Kingdom same	Plantae (bitki)	Plantae (bitki)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class same	Magnoliopsida (Dicots)	Magnoliopsida (Dicots)
Order same	Asterales (Daisies & Sunflowers)	Asterales (Daisies & Sunflowers)
Family same	Asteraceae (Daisy Family)	Asteraceae (Daisy Family)
Genus same	Centaurea	Centaurea
Species	Centaurea nigra	Centaurea jacea

Evolutionary Relationship

Black Knapweed and Brown Knapweed share a common ancestor at the Genus level: Centaurea.

Conservation Status

Black Knapweed

NE — Not Evaluated

Brown Knapweed

LC — Least Concern

Physical Characteristics

Attribute	Black Knapweed	Brown Knapweed
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).

Brown Knapweed

Habitat

Inhabits deserts and xeric shrublands within the Palearctic biogeographic realm.

Range

Widely distributed across Asia (Japan, Tajikistan), Europe (9 countries), North America (Canada, United States), Oceania and the Pacific (Australia), and South America (Argentina, Chile).

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).

Brown Knapweed

The Brown Knapweed (Centaurea jacea) is a species in the genus Centaurea. It is currently classified as Least Concern on the IUCN Red List. Inhabits deserts and xeric shrublands within the Palearctic biogeographic realm.

Shared Countries

Both species can be found in 10 countries:

🇦🇺 Australia 🇨🇦 Canada 🇨🇱 Chile 🇩🇰 Denmark 🇫🇮 Finland 🇫🇷 France 🇯🇵 Japan 🇳🇴 Norway 🇸🇪 Sweden 🇺🇸 United States