Knollen-Zypergras vs Smooth Flat Sedge

Cyperus rotundus compared with Cyperus laevigatus

Taxonomic Classification

Rank	Knollen-Zypergras	Smooth Flat Sedge
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 rotundus	Cyperus laevigatus

Evolutionary Relationship

Knollen-Zypergras and Smooth Flat Sedge share a common ancestor at the Genus level: Cyperus.

Conservation Status

Knollen-Zypergras

LC — Least Concern

Smooth Flat Sedge

LC — Least Concern

Physical Characteristics

Attribute	Knollen-Zypergras	Smooth Flat Sedge
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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).

Smooth Flat Sedge

Habitat

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

Range

Distributed across Chile, Colombia, and Cuba.

Shared Countries

Both species can be found in 3 countries:

🇨🇱 Chile 🇨🇴 Colombia 🇨🇺 Cuba