Ricefield waternymph vs Wright's waternymph

Najas graminea compared with Najas wrightiana

Key Differences

• Ricefield waternymph is Least Concern while Wright's waternymph is Endangered.

Taxonomic Classification

Rank	Ricefield waternymph	Wright's waternymph
Kingdom same	Plantae (tumbuhan)	Plantae (tumbuhan)
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 wrightiana

Evolutionary Relationship

Ricefield waternymph and Wright's waternymph share a common ancestor at the Genus level: Najas.

Conservation Status

Ricefield waternymph

LC — Least Concern

Wright's waternymph

EN — Endangered

Physical Characteristics

Attribute	Ricefield waternymph	Wright's waternymph
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).

Wright's waternymph

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical coniferous forests, among 5 distinct biome types within the Neotropic biogeographic realm.

Range

Distributed across Cuba and United States. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Shared Countries

Both species can be found in 1 countries:

🇺🇸 United States