Bisamratte vs Narrowleaf knotweed

Ondatra zibethicus compared with Polygonum bellardii

Taxonomic Classification

Rank	Bisamratte	Narrowleaf knotweed
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Mammalia (Mammals)	Magnoliopsida (Dicots)
Order	Rodentia (Rodents)	Caryophyllales (Caryophyllales)
Family	Cricetidae	Polygonaceae
Genus	Ondatra	Polygonum
Species	Ondatra zibethicus	Polygonum bellardii

Conservation Status

Bisamratte

NE — Not Evaluated

Narrowleaf knotweed

NE — Not Evaluated

Physical Characteristics

Attribute	Bisamratte	Narrowleaf knotweed
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bisamratte

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Widely distributed across Asia (8 countries), Europe (37 countries), North America (United States), and South America (Argentina, Bolivia, Chile).

Narrowleaf knotweed

Habitat

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

Range

Widely distributed across Europe (12 countries), North America (United States), and Oceania and the Pacific (Australia).

Bisamratte

The Bisamratte (Ondatra zibethicus) is a species in the genus Ondatra. Typically found in diverse terrestrial and aquatic ecosystems.

Shared Countries

Both species can be found in 13 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇫🇷 France 🇱🇻 Latvia 🇱🇹 Lithuania 🇳🇱 Netherlands 🇳🇴 Norway 🇵🇹 Portugal 🇷🇺 Russia 🇸🇪 Sweden 🇺🇦 Ukraine 🇬🇧 United Kingdom 🇺🇸 United States