Bracted Water-Milfoil vs Slender Water-Milfoil

Myriophyllum verticillatum compared with Myriophyllum tenellum

Key Differences

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

Taxonomic Classification

Rank	Bracted Water-Milfoil	Slender Water-Milfoil
Kingdom same	Plantae (植物)	Plantae (植物)
Phylum same	Magnoliophyta (被子植物門)	Magnoliophyta (被子植物門)
Class same	Magnoliopsida (モクレン綱)	Magnoliopsida (モクレン綱)
Order same	Saxifragales (ユキノシタ目)	Saxifragales (ユキノシタ目)
Family same	Haloragaceae	Haloragaceae
Genus same	Myriophyllum	Myriophyllum
Species	Myriophyllum verticillatum	Myriophyllum tenellum

Evolutionary Relationship

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

Conservation Status

Bracted Water-Milfoil

VU — Vulnerable

Slender Water-Milfoil

LC — Least Concern

Physical Characteristics

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

Habitat & Geographic Range

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.

Slender Water-Milfoil

Habitat

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

Range

Distributed across Canada, France, and United States.

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 3 countries:

🇨🇦 Canada 🇫🇷 France 🇺🇸 United States