Bushy Knotweed vs Lesser Red-knotgrass

Polygonum ramosissimum compared with Polygonum arenarium

Taxonomic Classification

Rank	Bushy Knotweed	Lesser Red-knotgrass
Kingdom same	Plantae (plantas)	Plantae (plantas)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class same	Magnoliopsida (Dicots)	Magnoliopsida (Dicots)
Order same	Caryophyllales (Caryophyllales)	Caryophyllales (Caryophyllales)
Family same	Polygonaceae	Polygonaceae
Genus same	Polygonum	Polygonum
Species	Polygonum ramosissimum	Polygonum arenarium

Evolutionary Relationship

Bushy Knotweed and Lesser Red-knotgrass share a common ancestor at the Genus level: Polygonum.

Conservation Status

Bushy Knotweed

NE — Not Evaluated

Lesser Red-knotgrass

NE — Not Evaluated

Physical Characteristics

Attribute	Bushy Knotweed	Lesser Red-knotgrass
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bushy Knotweed

Habitat

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

Range

Distributed across Japan, Russia, Sweden, Ukraine, and United States.

Lesser Red-knotgrass

Habitat

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

Range

Found across Europe (11 countries) and North America (United States).

Bushy Knotweed

The Bushy Knotweed (Polygonum ramosissimum) is a species in the genus Polygonum. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Shared Countries

Both species can be found in 3 countries:

🇷🇺 Russia 🇸🇪 Sweden 🇺🇸 United States