Alder vs Giant Knapweed

Alnus glutinosa compared with Centaurea macroptilon

Key Differences

• Alder is Least Concern while Giant Knapweed is Not Evaluated.

Taxonomic Classification

Rank	Alder	Giant Knapweed
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class same	Magnoliopsida (Dicots)	Magnoliopsida (Dicots)
Order	Fagales (Beeches & Oaks)	Asterales (Daisies & Sunflowers)
Family	Betulaceae	Asteraceae (Daisy Family)
Genus	Alnus	Centaurea
Species	Alnus glutinosa	Centaurea macroptilon

Evolutionary Relationship

Alder and Giant Knapweed share a common ancestor at the Class level: Magnoliopsida. (Dicots)

Conservation Status

Alder

LC — Least Concern

Giant Knapweed

NE — Not Evaluated

Physical Characteristics

Attribute	Alder	Giant Knapweed
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Alder

Habitat

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

Range

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

Giant Knapweed

Habitat

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

Range

Found across Europe (9 countries).

Alder

The Alder (Alnus glutinosa) is a species in the genus Alnus. 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 5 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇫🇮 Finland 🇳🇴 Norway 🇸🇪 Sweden