Asian Openbill vs Rootless Duckweed

Anastomus oscitans compared with Wolffia arrhiza

Key Differences

• Asian Openbill is Least Concern while Rootless Duckweed is Endangered.

Taxonomic Classification

Rank	Asian Openbill	Rootless Duckweed
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Aves (Birds)	Liliopsida (Monocots)
Order	Ciconiiformes (Ciconiiformes)	Alismatales (Alismatales)
Family	Ciconiidae	Araceae
Genus	Anastomus	Wolffia
Species	Anastomus oscitans	Wolffia arrhiza

Conservation Status

Asian Openbill

LC — Least Concern

Rootless Duckweed

EN — Endangered

Physical Characteristics

Attribute	Asian Openbill	Rootless Duckweed
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Asian Openbill

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Found in Norway.

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.

Asian Openbill

The Asian Openbill (Anastomus oscitans) is a species in the genus Anastomus. It is currently classified as Least Concern on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments. Found in Norway.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway