Meyen's flatsedge vs Knollen-Zypergras

Cyperus meyenianus compared with Cyperus rotundus

Key Differences

• Meyen's flatsedge is Not Evaluated while Knollen-Zypergras is Least Concern.

Taxonomic Classification

Rank	Meyen's flatsedge	Knollen-Zypergras
Kingdom same	Plantae (Pflanzen)	Plantae (Pflanzen)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class same	Liliopsida (Monocots)	Liliopsida (Monocots)
Order same	Poales (Süßgrasartige)	Poales (Süßgrasartige)
Family same	Cyperaceae	Cyperaceae
Genus same	Cyperus	Cyperus
Species	Cyperus meyenianus	Cyperus rotundus

Evolutionary Relationship

Meyen's flatsedge and Knollen-Zypergras share a common ancestor at the Genus level: Cyperus.

Conservation Status

Meyen's flatsedge

NE — Not Evaluated

Knollen-Zypergras

LC — Least Concern

Physical Characteristics

Attribute	Meyen's flatsedge	Knollen-Zypergras
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Meyen's flatsedge

Habitat

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

Range

Distributed across Brazil, Peru, and United States.

Knollen-Zypergras

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, flooded grasslands and savannas, and montane grasslands and shrublands, among 8 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (18 countries), Asia (20 countries), Europe (11 countries), North America (12 countries), Oceania and the Pacific (14 countries), and South America (7 countries).

Shared Countries

Both species can be found in 3 countries:

🇧🇷 Brazil 🇵🇪 Peru 🇺🇸 United States