Bloodwort vs Lesser Red-knotgrass

Achillea millefolium compared with Polygonum arenarium

Key Differences

• Bloodwort is Least Concern while Lesser Red-knotgrass is Not Evaluated.

Taxonomic Classification

Rank	Bloodwort	Lesser Red-knotgrass
Kingdom same	Plantae (พืช)	Plantae (พืช)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class same	Magnoliopsida (พืชใบเลี้ยงคู่)	Magnoliopsida (พืชใบเลี้ยงคู่)
Order	Asterales (อันดับทานตะวัน)	Caryophyllales (อันดับคาร์เนชัน)
Family	Asteraceae (Daisy Family)	Polygonaceae
Genus	Achillea	Polygonum
Species	Achillea millefolium	Polygonum arenarium

Evolutionary Relationship

Bloodwort and Lesser Red-knotgrass share a common ancestor at the Class level: Magnoliopsida. (พืชใบเลี้ยงคู่)

Conservation Status

Bloodwort

LC — Least Concern

Lesser Red-knotgrass

NE — Not Evaluated

Physical Characteristics

Attribute	Bloodwort	Lesser Red-knotgrass
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bloodwort

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and flooded grasslands and savannas, among 11 distinct biome types spanning the Indomalayan and Neotropic and Palearctic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (South Africa), Asia (4 countries), Europe (10 countries), North America (5 countries), Oceania and the Pacific (Australia), and South America (4 countries).

Lesser Red-knotgrass

Habitat

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

Range

Found across Europe (11 countries) and North America (United States).

Bloodwort

The Bloodwort (Achillea millefolium) is a species in the genus Achillea. It is currently classified as Least Concern on the IUCN Red List. Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and flooded grasslands and savannas, among 11 distinct biome types spanning the Indomalayan and Neotropic and Palearctic real

Shared Countries

Both species can be found in 6 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇫🇷 France 🇷🇺 Russia 🇸🇪 Sweden 🇺🇸 United States