Asian watermeal vs Columbia Water-Meal

Wolffia globosa compared with Wolffia columbiana

Taxonomic Classification

Rank	Asian watermeal	Columbia Water-Meal
Kingdom same	Plantae (植物)	Plantae (植物)
Phylum same	Magnoliophyta (被子植物門)	Magnoliophyta (被子植物門)
Class same	Liliopsida (単子葉植物綱)	Liliopsida (単子葉植物綱)
Order same	Alismatales (オモダカ目)	Alismatales (オモダカ目)
Family same	Araceae	Araceae
Genus same	Wolffia	Wolffia
Species	Wolffia globosa	Wolffia columbiana

Evolutionary Relationship

Asian watermeal and Columbia Water-Meal share a common ancestor at the Genus level: Wolffia.

表示 Genus: Wolffia

Conservation Status

Asian watermeal

LC — Least Concern

Columbia Water-Meal

LC — Least Concern

Physical Characteristics

Attribute	Asian watermeal	Columbia Water-Meal
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Asian watermeal

Habitat

Inhabits tropical and subtropical grasslands and savannas and deserts and xeric shrublands within the Afrotropic biogeographic realm.

Range

Widely distributed across Africa (Angola), Asia (Singapore, Taiwan), North America (United States), and South America (Brazil, Colombia).

Columbia Water-Meal

Habitat

Typically found in grasslands, wetlands, forests, and cultivated landscapes.

Range

Widely distributed across Asia (India), Europe (4 countries), North America (Canada, United States), and South America (Brazil, Colombia).

Asian watermeal

The Asian watermeal (Wolffia globosa) is a species in the genus Wolffia. It is currently classified as Least Concern on the IUCN Red List. Inhabits tropical and subtropical grasslands and savannas and deserts and xeric shrublands within the Afrotropic biogeographic realm. Widely distributed across Africa (Angola), Asia (Singapore, Taiwan), North America (United States), and South America (Brazil, Colombia).

Columbia Water-Meal

<em>Wolffia columbiana</em> is a diminutive aquatic flowering plant belonging to the family Araceae, widely recognized as one of the smallest known vascular plants on Earth. It inhabits still or slow-moving freshwater environments, including ponds, lakes, ditches, and quiet backwaters, where it floats freely at or just below the water surface. The species occurs across a broad geographic range spanning the Americas. As a rootless, leafless organism, <em>W. columbiana</em> consists of a tiny oval thallus, measuring only a fraction of a millimeter in diameter, which carries out photosynthesis directly through its green surface tissue. Reproduction is primarily vegetative, with daughter plants budding from a specialized pouch on the parent thallus, enabling rapid population expansion under favorable conditions. The species is assessed as Least Concern on the IUCN Red List, reflecting its wide distribution and tolerance of varied freshwater conditions.