Alternate Water Milfoil vs western milfoil

Myriophyllum alterniflorum compared with Myriophyllum hippuroides

Key Differences

• Alternate Water Milfoil is Near Threatened while western milfoil is Not Evaluated.

Taxonomic Classification

Rank	Alternate Water Milfoil	western milfoil
Kingdom same	Plantae (Plants)	Plantae (Plants)
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 alterniflorum	Myriophyllum hippuroides

Evolutionary Relationship

Alternate Water Milfoil and western milfoil share a common ancestor at the Genus level: Myriophyllum.

Conservation Status

Alternate Water Milfoil

NT — Near Threatened

western milfoil

NE — Not Evaluated

Physical Characteristics

Attribute	Alternate Water Milfoil	western milfoil
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Alternate Water Milfoil

Habitat

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

Range

Found across Europe (7 countries) and North America (Canada, United States). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

western milfoil

Habitat

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

Range

Distributed across Canada and Sweden.

Alternate Water Milfoil

The Alternate Water Milfoil (Myriophyllum alterniflorum) is a species in the genus Myriophyllum. It is currently classified as Near Threatened on the IUCN Red List. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Shared Countries

Both species can be found in 2 countries:

🇨🇦 Canada 🇸🇪 Sweden