Alligatorweed vs Bloodwort

Alternanthera philoxeroides compared with Achillea millefolium

Key Differences

• Alligatorweed is Not Evaluated while Bloodwort is Least Concern.

Taxonomic Classification

Rank	Alligatorweed	Bloodwort
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class same	Magnoliopsida (Dicots)	Magnoliopsida (Dicots)
Order	Caryophyllales (Caryophyllales)	Asterales (Daisies & Sunflowers)
Family	Amaranthaceae	Asteraceae (Daisy Family)
Genus	Alternanthera	Achillea
Species	Alternanthera philoxeroides	Achillea millefolium

Evolutionary Relationship

Alligatorweed and Bloodwort share a common ancestor at the Class level: Magnoliopsida. (Dicots)

Conservation Status

Alligatorweed

NE — Not Evaluated

Bloodwort

LC — Least Concern

Physical Characteristics

Attribute	Alligatorweed	Bloodwort
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Alligatorweed

Habitat

Inhabits tropical and subtropical moist broadleaf forests and mangrove forests and coastal wetlands within the Indomalayan biogeographic realm.

Range

Widely distributed across Africa (Comoros, Madagascar), Asia (14 countries), Europe (9 countries), North America (Honduras, Mexico, United States), Oceania and the Pacific (Australia, New Zealand), and South America (4 countries).

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).

Alligatorweed

The Alligatorweed (Alternanthera philoxeroides) is a species in the genus Alternanthera. Inhabits tropical and subtropical moist broadleaf forests and mangrove forests and coastal wetlands within the Indomalayan biogeographic realm.

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 14 countries:

🇦🇺 Australia 🇧🇪 Belgium 🇧🇷 Brazil 🇨🇱 Chile 🇨🇴 Colombia 🇩🇰 Denmark 🇫🇷 France 🇭🇳 Honduras 🇯🇵 Japan 🇳🇴 Norway 🇪🇸 Spain 🇸🇪 Sweden 🇹🇼 Taiwan 🇺🇸 United States