Javan Rusa vs Rootless Duckweed

Rusa timorensis compared with Wolffia arrhiza

Key Differences

Javan Rusa is Vulnerable while Rootless Duckweed is Endangered.

Taxonomic Classification

Rank	Javan Rusa	Rootless Duckweed
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Mammalia (Mammals)	Liliopsida (Monocots)
Order	Artiodactyla (Even-toed Ungulates)	Alismatales (Alismatales)
Family	Cervidae (Deer)	Araceae
Genus	Rusa	Wolffia
Species	Rusa timorensis	Wolffia arrhiza

Conservation Status

Javan Rusa

VU — Vulnerable

Rootless Duckweed

EN — Endangered

Physical Characteristics

Attribute	Javan Rusa	Rootless Duckweed
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Javan Rusa

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, tundra, and tropical and subtropical moist broadleaf forests spanning the Australasia and Afrotropic and Oceanian realms.

Range

Distributed across Mauritius, New Zealand, and Norway. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

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.