Bisamratte vs Rootless Duckweed

Ondatra zibethicus compared with Wolffia arrhiza

Key Differences

• Bisamratte is Not Evaluated while Rootless Duckweed is Endangered.

Taxonomic Classification

Rank	Bisamratte	Rootless Duckweed
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Mammalia (Mammals)	Liliopsida (Monocots)
Order	Rodentia (Rodents)	Alismatales (Alismatales)
Family	Cricetidae	Araceae
Genus	Ondatra	Wolffia
Species	Ondatra zibethicus	Wolffia arrhiza

Conservation Status

Bisamratte

NE — Not Evaluated

Rootless Duckweed

EN — Endangered

Physical Characteristics

Attribute	Bisamratte	Rootless Duckweed
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).

Rootless Duckweed

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, temperate broadleaf and mixed forests, and temperate coniferous forests, among 4 distinct biome types spanning the Indomalayan and Oceanian and Palearctic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (Japan), Europe (10 countries), North America (Canada), and South America (Brazil). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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 11 countries:

🇧🇾 Belarus 🇧🇪 Belgium 🇭🇺 Hungary 🇮🇹 Italy 🇯🇵 Japan 🇳🇴 Norway 🇵🇹 Portugal 🇷🇺 Russia 🇸🇰 Slovakia 🇪🇸 Spain 🇸🇪 Sweden