Cyperus strigosus

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Common name: strawcolored flatsedge [1], false nutsedge [2]

Cyperus strigosus
Cyperus strigosus AFP.jpg
Photo by the Atlas of Florida Plants Database
Scientific classification
Kingdom: Plantae
Division: Magnoliophyta - Flowering plants
Class: Liliopsida - Moncots
Order: Cyperales
Family: Cyperaceae
Genus: Cyperus
Species: C. strigosus
Binomial name
Cyperus strigosus
Natural range of Cyperus strigosus from USDA NRCS Plants Database.

Taxonomic Notes

Synonyms: C. strigosus var. strigosus; C. strigosus var. robustior Britton; C. strigosus var. stenolepis (Torrey) Kükenthal; C. strigosus; C. praelongatus Steudel; C. stenolepis Torrey

Varieties: none


C. strigosus is a perennial graminoid of the Cyperaceae family native to North America and Canada. [1]


C. strigosus can be found in all of the United States excluding North Dakota, Montana, Wyoming, and Colorado, as well as in the Quebec, Ontario, Manitoba, and Saskatchewan regions of Canada. [1]



C. strigosus can be found in marshes, ditches, wet flatwoods, and wet disturbed areas. [2] It is also commonly found in sandy wet areas. [3]


C. strigosus has been observed to flower between June and July. [4]

Fire ecology

C. strigosus is fire resistant, and has a medium fire tolerance. [1]

Use by animals

C. strigosus is palatable for grazing animals, but not for humans. [1]

Conservation and Management

C. strigosus is classified as a weedy or invasive species by the Southern Weed Science Society, Champaign, Illinois. [1]

Cultivation and restoration

Photo Gallery

References and notes

  1. 1.0 1.1 1.2 1.3 1.4 1.5 USDA Plant Database
  2. 2.0 2.1 Weakley, A. S. (2015). Flora of the Southern and Mid-Atlantic States. Chapel Hill, NC, University of North Carolina Herbarium.
  3. URL: Last accessed: June 2018. Collectors: Loran C. Anderson, Sidney McDaniel, R. Kral, R.K. Godfrey, Norlan C. Henderson, Robert L. Lazor, Cecil R. Slaughter, T. MacClendon, K. MacClendon, Richard Carter, M. Darst, K. Burks, L. Peed, John B. Nelson, Rupert Kuhne, States and counties: Wakulla County Florida, Franklin County Florida, Okaloosa County Florida, Gadsden County Florida, Dixie County Florida, Jackson County Florida, Bay County Florida, Leon County Florida, Jefferson County Florida, Polk County Florida, Orange County Florida, Nassau County Florida, Madison County Florida, Thomas County Georgia, Osceola County Florida, Calhoun County Florida, Washington County Florida, Liberty County Florida, Waller County Texas, Walton County Florida, Okeechobee County Florida, Gulf County Florida, Calhoun County South Carolina,
  4. Nelson, G. PanFlora: Plant data for the eastern United States with emphasis on the Southeastern Coastal Plains, Florida, and the Florida Panhandle. Accessed: 21 MAY 2018