Atlantic Ancula vs Rootless Duckweed

Ancula gibbosa compared with Wolffia arrhiza

Key Differences

• Atlantic Ancula is Least Concern while Rootless Duckweed is Endangered.

Taxonomic Classification

Rank	Atlantic Ancula	Rootless Duckweed
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Mollusca (Mollusks)	Magnoliophyta (Flowering Plants)
Class	Gastropoda (Gastropoda)	Liliopsida (Monocots)
Order	Nudibranchia (Nudibranchia)	Alismatales (Alismatales)
Family	Goniodorididae	Araceae
Genus	Ancula	Wolffia
Species	Ancula gibbosa	Wolffia arrhiza

Conservation Status

Atlantic Ancula

LC — Least Concern

Rootless Duckweed

EN — Endangered

Physical Characteristics

Attribute	Atlantic Ancula	Rootless Duckweed
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Atlantic Ancula

Habitat

Typically found in terrestrial and aquatic habitats including forests and freshwater.

Range

Distributed across Denmark, Norway, and Sweden.

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.

Atlantic Ancula

The Atlantic Ancula (Ancula gibbosa) is a species in the genus Ancula. It is currently classified as Least Concern on the IUCN Red List. Typically found in terrestrial and aquatic habitats including forests and freshwater.

Shared Countries

Both species can be found in 2 countries:

🇳🇴 Norway 🇸🇪 Sweden