Tidalmarsh flatsedge vs Variable flatsedge

Cyperus serotinus compared with Cyperus difformis

Key Differences

• Tidalmarsh flatsedge is Extinct while Variable flatsedge is Least Concern.

Taxonomic Classification

Rank	Tidalmarsh flatsedge	Variable flatsedge
Kingdom same	Plantae (bitki)	Plantae (bitki)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class same	Liliopsida (Monocots)	Liliopsida (Monocots)
Order same	Poales (Grasses)	Poales (Grasses)
Family same	Cyperaceae	Cyperaceae
Genus same	Cyperus	Cyperus
Species	Cyperus serotinus	Cyperus difformis

Evolutionary Relationship

Tidalmarsh flatsedge and Variable flatsedge share a common ancestor at the Genus level: Cyperus.

Conservation Status

Tidalmarsh flatsedge

EX — Extinct

Variable flatsedge

LC — Least Concern

Physical Characteristics

Attribute	Tidalmarsh flatsedge	Variable flatsedge
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Tidalmarsh flatsedge

Habitat

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

Range

Distributed across Bulgaria, Italy, Portugal, Taiwan, and United States.

Variable flatsedge

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 6 distinct biome types spanning the Indomalayan and Neotropic and Palearctic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (9 countries), Asia (10 countries), Europe (9 countries), North America (6 countries), Oceania and the Pacific (5 countries), and South America (6 countries).

Shared Countries

Both species can be found in 4 countries:

🇮🇹 Italy 🇵🇹 Portugal 🇹🇼 Taiwan 🇺🇸 United States