Alpine Knapweed vs Maltese star-thistle

Centaurea nigrescens compared with Centaurea melitensis

Taxonomic Classification

Rank	Alpine Knapweed	Maltese star-thistle
Kingdom same	Plantae (Plants)	Plantae (Plants)
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 nigrescens	Centaurea melitensis

Evolutionary Relationship

Alpine Knapweed and Maltese star-thistle share a common ancestor at the Genus level: Centaurea.

View Genus: Centaurea

Conservation Status

Alpine Knapweed

NE — Not Evaluated

Maltese star-thistle

NE — Not Evaluated

Physical Characteristics

Attribute	Alpine Knapweed	Maltese star-thistle
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Alpine Knapweed

Habitat

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

Range

Widely distributed across Europe (11 countries), North America (Canada, United States), and Oceania and the Pacific (Australia).

Maltese star-thistle

Habitat

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

Range

Widely distributed across Africa (South Africa, Zimbabwe), Asia (India, Japan), Europe (12 countries), North America (Canada, Mexico, United States), Oceania and the Pacific (Australia), and South America (6 countries).

Alpine Knapweed

The Alpine Knapweed (Centaurea nigrescens) is a species in the genus Centaurea. Typically found in diverse terrestrial habitats from tropical forests to temperate regions. Widely distributed across Europe (11 countries), North America (Canada, United States), and Oceania and the Pacific (Australia).