Bartram Shadbush vs Brown Knapweed

Amelanchier bartramiana compared with Centaurea jacea

Taxonomic Classification

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

Evolutionary Relationship

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

Conservation Status

Bartram Shadbush

LC — Least Concern

Brown Knapweed

LC — Least Concern

Physical Characteristics

Attribute	Bartram Shadbush	Brown Knapweed
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bartram Shadbush

Habitat

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

Range

Distributed across Canada, France, and United States.

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).

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.

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 3 countries:

🇨🇦 Canada 🇫🇷 France 🇺🇸 United States