Alpine Knapweed vs Bartram Shadbush

Centaurea nigrescens compared with Amelanchier bartramiana

Key Differences

• Alpine Knapweed is Not Evaluated while Bartram Shadbush is Least Concern.

Taxonomic Classification

Rank	Alpine Knapweed	Bartram Shadbush
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class same	Magnoliopsida (Dicots)	Magnoliopsida (Dicots)
Order	Asterales (Daisies & Sunflowers)	Rosales (Roses & Allies)
Family	Asteraceae (Daisy Family)	Rosaceae (Rose Family)
Genus	Centaurea	Amelanchier
Species	Centaurea nigrescens	Amelanchier bartramiana

Evolutionary Relationship

Alpine Knapweed and Bartram Shadbush share a common ancestor at the Class level: Magnoliopsida. (Dicots)

Conservation Status

Alpine Knapweed

NE — Not Evaluated

Bartram Shadbush

LC — Least Concern

Physical Characteristics

Attribute	Alpine Knapweed	Bartram Shadbush
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).

Bartram Shadbush

Habitat

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

Range

Distributed across Canada, France, and United States.

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).

Bartram Shadbush

The Bartram Shadbush (Amelanchier bartramiana) is a species in the genus Amelanchier. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Shared Countries

Both species can be found in 3 countries:

🇨🇦 Canada 🇫🇷 France 🇺🇸 United States