Ricefield waternymph vs coentro-do-açude

Najas graminea compared with Najas marina

Key Differences

Ricefield waternymph is Least Concern while coentro-do-açude is Endangered.

Taxonomic Classification

Rank	Ricefield waternymph	coentro-do-açude
Kingdom same	Plantae (plantas)	Plantae (plantas)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class same	Liliopsida (Monocots)	Liliopsida (Monocots)
Order same	Alismatales (Alismatales)	Alismatales (Alismatales)
Family same	Hydrocharitaceae	Hydrocharitaceae
Genus same	Najas	Najas
Species	Najas graminea	Najas marina

Evolutionary Relationship

Ricefield waternymph and coentro-do-açude share a common ancestor at the Genus level: Najas.

View Genus: Najas

Conservation Status

Ricefield waternymph

LC — Least Concern

coentro-do-açude

EN — Endangered

Physical Characteristics

Attribute	Ricefield waternymph	coentro-do-açude
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Ricefield waternymph

Habitat

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

Range

Widely distributed across Africa (Guinea), Asia (Taiwan), Europe (10 countries), North America (United States), Oceania and the Pacific (Papua New Guinea), and South America (Brazil).

coentro-do-açude

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and deserts and xeric shrublands, among 5 distinct biome types spanning the Indomalayan and Neotropic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (Sri Lanka, Taiwan), Europe (5 countries), North America (6 countries), and South America (Brazil). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.