Cyperaceae

Mosquito flatsedge

Cyperus prolixus Kunth

Family: Cyperaceae
Genus: Cyperus

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Mosquito flatsedge: Cyperus prolixus in Uruguay — Photo: Florencia Grattarola, CC BY 4.0, from Wikimedia Commons

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Common names

By language (1)

English: Mosquito flatsedge

Synonyms

Chlorocyperus prolixus (Kunth) Palla
Comostemum prolixum (Kunth) Nees
Comostemum schottii Nees
Cyperus amplissimus Steud.
Cyperus bisumbellatus Steud.
Cyperus longeradiatus Steud.
Cyperus multifolius Kunth
Cyperus penicillatus Conz.
Cyperus prolixus var. vialis (Ridl.) Kük.
Cyperus schottii (Nees) D.Dietr.
Cyperus vialis Ridl.
Mariscus multifolius (Kunth) T.Koyama
Mariscus polyphyllus Kunth

Characteristics

Growth habit: Graminoid
Lifespan: Perennial
In the US and Canada: Lower 48 states: introduced

Photos

Photo: Florencia Grattarola, CC BY 4.0, from Wikimedia Commons
Photo: JG, CC BY 4.0, from iNaturalist
Photo: Alice Moore, CC BY 4.0, from iNaturalist
Photo: Santiago Martín-Bravo, CC BY 4.0, from Wikimedia Commons
Photo: Santiago Martín-Bravo, CC BY 4.0, from iNaturalist
Photo: Fabrício Mil Homens Riella, CC BY 4.0, from iNaturalist
Photo: Seba Fernández, CC BY 4.0, from iNaturalist
Photo: vinicius_s_domingues, CC BY 4.0, from iNaturalist
Photo: JG, CC BY 4.0, from iNaturalist
Photo: Florencia Grattarola, CC BY 4.0, from iNaturalist

More in Cyperus

Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, popularity from Wikidata (2026-10-26, CC0 1.0); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0). About our plant data.