bardana vs Narrowleaf knotweed

Arctium lappa compared with Polygonum bellardii

Key Differences

• bardana is Least Concern while Narrowleaf knotweed is Not Evaluated.

Taxonomic Classification

Rank	bardana	Narrowleaf knotweed
Kingdom same	Plantae (planta)	Plantae (planta)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class same	Magnoliopsida (Dicots)	Magnoliopsida (Dicots)
Order	Asterales (Daisies & Sunflowers)	Caryophyllales (Caryophyllales)
Family	Asteraceae (Daisy Family)	Polygonaceae
Genus	Arctium	Polygonum
Species	Arctium lappa	Polygonum bellardii

Evolutionary Relationship

bardana and Narrowleaf knotweed share a common ancestor at the Class level: Magnoliopsida. (Dicots)

Conservation Status

bardana

LC — Least Concern

Narrowleaf knotweed

NE — Not Evaluated

Physical Characteristics

Attribute	bardana	Narrowleaf knotweed
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

bardana

Habitat

Inhabits temperate coniferous forests within the Palearctic biogeographic realm.

Range

Widely distributed across Africa (Algeria), Asia (North Korea, Taiwan), Europe (11 countries), North America (Canada, United States), and South America (Brazil).

Narrowleaf knotweed

Habitat

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

Range

Widely distributed across Europe (12 countries), North America (United States), and Oceania and the Pacific (Australia).

bardana

The Beggar'S-Buttons (Arctium lappa) is a species in the genus Arctium. It is currently classified as Least Concern on the IUCN Red List. Inhabits temperate coniferous forests within the Palearctic biogeographic realm.

Shared Countries

Both species can be found in 7 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇫🇷 France 🇳🇴 Norway 🇸🇪 Sweden 🇬🇧 United Kingdom 🇺🇸 United States