Cyperaceae
Poorland flatsedge
Cyperus compressus
- Family
- Cyperaceae
- Genus
- Cyperus
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Common names
By language (6)
- Chinese
- 扁穗莎草, 伞莎草, 莎田草
- English
- Poorland flatsedge, Poorland Flat Sedge, Summer sedge
- Ganda
- Annual sedge
- Japanese
- クグガヤツリ
- Portuguese
- Capim-barba-de-bode
- Punjabi
- ਮੋਥੀ
Synonyms
- Chlorocyperus compressus (L.) Palla
- Cyperus afer G.Bertol.
- Cyperus compressus f. depauperata Domin
- Cyperus compressus subsp. micranthus T.Koyama
- Cyperus compressus var. brachiatus (Poir.) Nees
- Cyperus compressus var. capillacea C.B.Clarke
- Cyperus compressus var. compositus J.Presl & C.Presl
- Cyperus compressus var. floribundus E.G.Camus
- Cyperus compressus var. laxus E.G.Camus
- Cyperus compressus var. pectiniformis (Schult.) C.B.Clarke
- Cyperus compressus var. simplex J.Presl & C.Presl
- Cyperus dilutus f. decolorans Kük.
- Cyperus giraudyi Steud.
- Cyperus gyraudini Steud.
- Cyperus meyenii Nees, Wight & Arn.
- Cyperus myyenii Nees & Arn.
- Cyperus pectinatus Roxb.
- Cyperus pectiniformis Schult.
Flowers
- Flower colour
- green (USDA PLANTS Database)
Characteristics
- Growth habit
- Graminoid
- Lifespan
- Annual, Perennial
- In the US and Canada
- Hawaii: introduced, Lower 48 states: native, Pacific Basin: introduced, Puerto Rico: native, U.S. Virgin Islands: native
Photos

Photo: Forest & Kim Starr, CC BY 3.0, from Wikimedia Commons 
Photo: Forest & Kim Starr, CC BY 3.0, from Wikimedia Commons 
Photo: Forest & Kim Starr, CC BY 3.0, from Wikimedia Commons 
Photo: Forest & Kim Starr, CC BY 3.0, from Wikimedia Commons 
Photo: Forest & Kim Starr, CC BY 3.0, from Wikimedia Commons 
Photo: Forest & Kim Starr, CC BY 3.0, from Wikimedia Commons 
Photo: Sun Jiao, CC BY 4.0, from Wikimedia Commons
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- Variable flatsedgeCyperus difformisCyperaceae
- GalingaleCyperus longusCyperaceae
- Cyperus capitatusCyperaceae
- Ricefield flatsedgeCyperus iriaCyperaceae
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- 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.