Centuryplant vs Rootless Duckweed

Agave americana compared with Wolffia arrhiza

Key Differences

• Centuryplant is Least Concern while Rootless Duckweed is Endangered.

Taxonomic Classification

Rank	Centuryplant	Rootless Duckweed
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class same	Liliopsida (Monocots)	Liliopsida (Monocots)
Order	Asparagales (Asparagales)	Alismatales (Alismatales)
Family	Asparagaceae	Araceae
Genus	Agave	Wolffia
Species	Agave americana	Wolffia arrhiza

Evolutionary Relationship

Centuryplant and Rootless Duckweed share a common ancestor at the Class level: Liliopsida. (Monocots)

Conservation Status

Centuryplant

LC — Least Concern

Rootless Duckweed

EN — Endangered

Physical Characteristics

Attribute	Centuryplant	Rootless Duckweed
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Centuryplant

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical grasslands and savannas, and flooded grasslands and savannas, among 10 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (18 countries), Asia (10 countries), Europe (13 countries), North America (Costa Rica), Oceania and the Pacific (7 countries), and South America (5 countries).

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.

Centuryplant

The Centuryplant (Agave americana) is a species in the genus Agave. It is currently classified as Least Concern on the IUCN Red List. Native to ['Albania', 'Algeria', 'Argentina', 'Australia', 'Belgium'].

Shared Countries

Both species can be found in 7 countries:

🇧🇪 Belgium 🇧🇷 Brazil 🇮🇹 Italy 🇯🇵 Japan 🇳🇴 Norway 🇵🇹 Portugal 🇪🇸 Spain