American Water-Milfoil vs Bracted Water-Milfoil

Myriophyllum sibiricum compared with Myriophyllum verticillatum

Key Differences

• American Water-Milfoil is Least Concern while Bracted Water-Milfoil is Vulnerable.

Taxonomic Classification

Rank	American Water-Milfoil	Bracted Water-Milfoil
Kingdom same	Plantae (plantas)	Plantae (plantas)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class same	Magnoliopsida (Dicots)	Magnoliopsida (Dicots)
Order same	Saxifragales (Saxifragales)	Saxifragales (Saxifragales)
Family same	Haloragaceae	Haloragaceae
Genus same	Myriophyllum	Myriophyllum
Species	Myriophyllum sibiricum	Myriophyllum verticillatum

Evolutionary Relationship

American Water-Milfoil and Bracted Water-Milfoil share a common ancestor at the Genus level: Myriophyllum.

Conservation Status

American Water-Milfoil

LC — Least Concern

Bracted Water-Milfoil

VU — Vulnerable

Physical Characteristics

Attribute	American Water-Milfoil	Bracted Water-Milfoil
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

American Water-Milfoil

Habitat

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

Range

Found across Europe (5 countries) and North America (Canada, United States).

Bracted Water-Milfoil

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and temperate grasslands and steppes, among 4 distinct biome types within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (Turkey), Europe (6 countries), and North America (Canada, United States). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

American Water-Milfoil

The American Water-Milfoil (Myriophyllum sibiricum) is a species in the genus Myriophyllum. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Bracted Water-Milfoil

The Bracted water-milfoil (Myriophyllum verticillatum) is a species in the genus Myriophyllum. It is currently classified as Vulnerable on the IUCN Red List. Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and temperate grasslands and steppes, among 4 distinct biome types within the Palearctic biogeographic realm. Populations are

Shared Countries

Both species can be found in 6 countries:

🇨🇦 Canada 🇩🇰 Denmark 🇫🇷 France 🇳🇴 Norway 🇸🇪 Sweden 🇺🇸 United States