Bloodwort vs Thread Weed

Achillea millefolium compared with Ulva compressa

Taxonomic Classification

Rank	Bloodwort	Thread Weed
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum	Magnoliophyta (Flowering Plants)	Chlorophyta (Chlorophyta)
Class	Magnoliopsida (Dicots)	Ulvophyceae (Ulvophyceae)
Order	Asterales (Daisies & Sunflowers)	Ulvales (Ulvales)
Family	Asteraceae (Daisy Family)	Ulvaceae
Genus	Achillea	Ulva
Species	Achillea millefolium	Ulva compressa

Evolutionary Relationship

Bloodwort and Thread Weed share a common ancestor at the Kingdom level: Plantae. (Plants)

View Kingdom: Plantae

Conservation Status

Bloodwort

LC — Least Concern

Thread Weed

LC — Least Concern

Physical Characteristics

Attribute	Bloodwort	Thread Weed
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).

Thread Weed

Habitat

Native to Asia and Europe and Oceania, inhabiting ecosystems characteristic of the region.

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), Oceania and the Pacific (New Zealand), and South America (Brazil).

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