Foca Pia vs Rootless Duckweed

Pagophilus groenlandicus compared with Wolffia arrhiza

Key Differences

• Foca Pia is Not Evaluated while Rootless Duckweed is Endangered.

Taxonomic Classification

Rank	Foca Pia	Rootless Duckweed
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Mammalia (Mammals)	Liliopsida (Monocots)
Order	Pinnipedia (Seals & Sea Lions)	Alismatales (Alismatales)
Family	Phocidae (True Seals)	Araceae
Genus	Pagophilus	Wolffia
Species	Pagophilus groenlandicus	Wolffia arrhiza

Conservation Status

Foca Pia

NE — Not Evaluated

Rootless Duckweed

EN — Endangered

Physical Characteristics

Attribute	Foca Pia	Rootless Duckweed
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Foca Pia

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Denmark, Norway, Portugal, 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.

Shared Countries

Both species can be found in 3 countries:

🇳🇴 Norway 🇵🇹 Portugal 🇸🇪 Sweden