Big-Leaf Maple vs Black Knapweed

Acer macrophyllum compared with Centaurea nigra

Key Differences

• Big-Leaf Maple is Least Concern while Black Knapweed is Not Evaluated.

Taxonomic Classification

Rank	Big-Leaf Maple	Black Knapweed
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class same	Magnoliopsida (Dicots)	Magnoliopsida (Dicots)
Order	Sapindales (Sapindales)	Asterales (Daisies & Sunflowers)
Family	Sapindaceae	Asteraceae (Daisy Family)
Genus	Acer	Centaurea
Species	Acer macrophyllum	Centaurea nigra

Evolutionary Relationship

Big-Leaf Maple and Black Knapweed share a common ancestor at the Class level: Magnoliopsida. (Dicots)

Conservation Status

Big-Leaf Maple

LC — Least Concern

Black Knapweed

NE — Not Evaluated

Physical Characteristics

Attribute	Big-Leaf Maple	Black Knapweed
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Big-Leaf Maple

Habitat

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

Range

Distributed across Belgium, Canada, Ireland, and United States.

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).

Big-Leaf Maple

The Big-Leaf Maple (Acer macrophyllum) is a species in the genus Acer. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

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 2 countries:

🇨🇦 Canada 🇺🇸 United States