Cyperaceae
Clustered flatsedge
Cyperus congestus
- Family
- Cyperaceae
- Genus
- Cyperus
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Common names
By language (3)
- English
- Clustered flatsedge
- Japanese
- ユメノシマガヤツリ
- Swedish
- Gytterag
Synonyms
- Chlorocyperus congestus (Vahl) Palla
- Cyperus badius Steud.
- Cyperus bulbosus Lag.
- Cyperus carinatus Nees
- Cyperus congestus var. glanduliferus (C.B.Clarke) Kük.
- Cyperus congestus var. grandiceps Kük.
- Cyperus congestus var. pseudonatalensis Kük.
- Cyperus cooperi (C.B.Clarke) K.Schum.
- Cyperus incarnatus Link
- Cyperus linkianus Schult.
- Cyperus martianus Schult.
- Cyperus multiceps Link
- Cyperus paramatta Balb. ex Kunth
- Cyperus paramatta Mart.
- Cyperus polycephalus Link
- Cyperus schottianus Anon.
- Cyperus spiculosus Rchb.
- Cyperus subbulbosus Roem. & Schult.
- Mariscus congestus (Vahl) C.B.Clarke
- Mariscus congestus var. glandulifer C.B.Clarke
- Mariscus congestus var. glanduliferus C.B.Clarke
- Mariscus cooperi C.B.Clarke
- Pycreus congestus (Vahl) Hayek
Characteristics
- Growth habit
- Graminoid
- Lifespan
- Perennial
- In the US and Canada
- Hawaii: introduced
Photos
Photo: John Tann from Sydney, Australia, CC BY 2.0, from Wikimedia Commons 
Photo: John Tann from Sydney, Australia, CC BY 2.0, from Wikimedia Commons 
Photo: John Tann from Sydney, Australia, CC BY 2.0, from Wikimedia Commons 
Photo: John Tann from Sydney, Australia, CC BY 2.0, from Wikimedia Commons 
Photo: John Tann from Sydney, Australia, CC BY 2.0, from Wikimedia Commons 
Photo: John Tann from Sydney, Australia, CC BY 2.0, from Wikimedia Commons 
Photo: John Tann from Sydney, Australia, CC BY 2.0, from Wikimedia Commons 
Photo: John Tann from Sydney, Australia, CC BY 2.0, from Wikimedia Commons 
Photo: John Tann from Sydney, Australia, CC BY 2.0, from Wikimedia Commons 
Photo: John Tann from Sydney, Australia, CC BY 2.0, from Wikimedia Commons 
Photo: Krzysztof Ziarnek, Kenraiz, CC BY-SA 4.0, from Wikimedia Commons 
Photo: Krzysztof Ziarnek, Kenraiz, CC BY-SA 4.0, from Wikimedia Commons
More in Cyperus
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- Yellow nutsedgeCyperus esculentusCyperaceae
- Cyperus alternifoliusCyperaceae
- Brown galingaleCyperus fuscusCyperaceae
- Tall flatsedgeCyperus eragrostisCyperaceae
- Variable flatsedgeCyperus difformisCyperaceae
- GalingaleCyperus longusCyperaceae
- Cyperus capitatusCyperaceae
- Ricefield flatsedgeCyperus iriaCyperaceae
- Jointed flatsedgeCyperus articulatusCyperaceae
- Pygmy sedgeCyperus michelianusCyperaceae
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.