Bushy Naiad vs Spiny naiad

Najas flexilis compared with Najas marina

Taxonomic Classification

Rank	Bushy Naiad	Spiny naiad
Kingdom same	Plantae (Plants)	Plantae (Plants)
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 flexilis	Najas marina

Evolutionary Relationship

Bushy Naiad and Spiny naiad share a common ancestor at the Genus level: Najas.

View Genus: Najas

Conservation Status

Bushy Naiad

EN — Endangered

Spiny naiad

EN — Endangered

Physical Characteristics

Attribute	Bushy Naiad	Spiny naiad
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bushy Naiad

Habitat

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

Range

Found across Europe (7 countries) and North America (Canada, United States). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Spiny naiad

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.

Bushy Naiad

The Bushy Naiad (Najas flexilis) is a species in the genus Najas. It is currently classified as Endangered on the IUCN Red List. Typically found in grasslands, wetlands, forests, and cultivated landscapes.