Alternate Water Milfoil vs Slender Water-Milfoil

Myriophyllum alterniflorum compared with Myriophyllum tenellum

Key Differences

• Alternate Water Milfoil is Near Threatened while Slender Water-Milfoil is Least Concern.

Taxonomic Classification

Rank	Alternate Water Milfoil	Slender Water-Milfoil
Kingdom same	Plantae (พืช)	Plantae (พืช)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class same	Magnoliopsida (พืชใบเลี้ยงคู่)	Magnoliopsida (พืชใบเลี้ยงคู่)
Order same	Saxifragales (อันดับอัสดง)	Saxifragales (อันดับอัสดง)
Family same	Haloragaceae	Haloragaceae
Genus same	Myriophyllum	Myriophyllum
Species	Myriophyllum alterniflorum	Myriophyllum tenellum

Evolutionary Relationship

Alternate Water Milfoil and Slender Water-Milfoil share a common ancestor at the Genus level: Myriophyllum.

Conservation Status

Alternate Water Milfoil

NT — Near Threatened

Slender Water-Milfoil

LC — Least Concern

Physical Characteristics

Attribute	Alternate Water Milfoil	Slender Water-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.

Slender Water-Milfoil

Habitat

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

Range

Distributed across Canada, France, and United States.

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 3 countries:

🇨🇦 Canada 🇫🇷 France 🇺🇸 United States