Cyperus rotundus L. GRIN-Global

Taxon: Cyperus rotundus L.

Summary

Genus:

Cyperus

Family:

Cyperaceae

Subfamily:

Cyperoideae

Tribe:

Cypereae

Nomen number:

316644

Place of publication:

Sp. pl. 1:45. 1753

Typification:

View in Linnean Typification Project

Verified:

12/09/2009 ARS Systematic Botanists.

Accessions:

1 (1 active, 0 available) in National Plant Germplasm System. (Map it)

Other conspecific taxa

Autonyms (not in current use), synonyms and invalid designations

No images

Reference(s)

Abbiw, D. K. 1990. Useful plants of Ghana Intermediate Technology Publications & Royal Botanic Gardens, Kew.
Acevedo-Rodríguez, P. & M. T. Strong. 2012. Catalogue of seed plants of the West Indies. Smithsonian Contr. Bot. 98
Acevedo-Rodríguez, P. et al. 1996. Flora of St. John, U.S. Virgin Islands. Mem. New York Bot. Gard. 78:1-581.
Aldén, B., S. Ryman, & M. Hjertson. 2012. Svensk Kulturväxtdatabas, SKUD (Swedish Cultivated and Utility Plants Database; online resource) www.skud.info
Allan, H. H. B. et al. 1961-. Flora of New Zealand. URL: http://floraseries.landcareresearch.co.nz/pages/index.aspx
Boggan, J. et al. 1997. Checklist of the plants of the Guianas, ed. 2
Boulos, L. 1995. Flora of Egypt checklist.
Brako, L. & J. L. Zarucchi. 1993. Catalogue of the flowering plants and gymnosperms of Peru. Monogr. Syst. Bot. Missouri Bot. Gard. 45
Burkill, H. M. 1985-2004. The useful plants of west tropical Africa.
Chinese Academy of Sciences. 1959-. Flora reipublicae popularis sinicae.
CIBA-GEIGY, Basel, Switzerland. Documenta CIBA-GEIGY (Grass weeds 1. 1980, 2. 1981; Monocot weeds 3. 1982; Dicot weeds 1. 1988) Note: four books on weeds worldwide in scope
Correll, D. S. & H. B. Correll. 1982. Flora of the Bahama archipelago.
Craker, L. E. & J. E. Simon, eds. 1986-1987. Herbs, spices, and medicinal plants, 2 vols.
Darbyshire, S. J. 2003. Inventory of Canadian Agricultural Weeds Agriculture and Agri-Food Canada. 50.
Dassanayake, M. D. & F. R. Fosberg, eds. 1980-. A revised handbook to the flora of Ceylon.
Davidse, G. et al., eds. 1994. Flora mesoamericana.
Erhardt, W. et al. 2008. Der große Zander: Enzyklopädie der Pflanzennamen
FNA Editorial Committee. 1993-. Flora of North America. URL: http://floranorthamerica.org/
Food and Agriculture Organization of the United Nations (FAO). 2010. Ecocrop (on-line resource). URL: http://ecocrop.fao.org/ecocrop/srv/en/cropListDetails?code=&relation=beginsWith&name=Cyperus+rotundus&quantity=1
Foreman, D. B. & N. G. Walsh. 1993-. Flora of Victoria.
Germishuizen, G. & N. L. Meyer, eds. 2003. Plants of southern Africa: an annotated checklist. Strelitzia 14
Ghazanfar, S. A. 1992. An annotated catalogue of the vascular plants of Oman. Scripta Botanica Belgica 2
Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges. URL: http://apps.kew.org/wcsp/home.do
Grierson, A. J. C. & D. J. Long. 1984-. Flora of Bhutan including a record of plants from Sikkim.
Groth, D. 2005. pers. comm. Note: re. Brazilian common names
Haines, R. W. & K. A. Lye. 1983. Sedges and rushes of East Africa
Hara, H. et al. 1978-1982. An enumeration of the flowering plants of Nepal.
Harden, G. J., ed. 1990-1993. Flora of New South Wales.
Hedberg, I. & S. Edwards. 1989-. Flora of Ethiopia Note: Eritrea added in 2000
Holm, L. et al. 1979. A geographical atlas of world weeds
Howard, R. 1974-1989. Flora of the lesser Antilles.
Integrated Botanical Information System (IBIS). Australian plant common name database (on-line resource). URL: http://www.anbg.gov.au/common.names/
Jessop, J. P. & H. R. Toelken, eds. 1986. Flora of South Australia, ed. 4.
Jørgensen, P. M. & S. León-Yánez, eds. 1999. Catalogue of the vascular plants of Ecuador. Monogr. Syst. Bot. Missouri Bot. Gard. 75
Keay, R. W. J. & F. N. Hepper. 1953-1972. Flora of west tropical Africa, ed. 2.
Lazarides, M. & B. Hince. 1993. CSIRO Handbook of Economic Plants of Australia
Lee, Y. N. 1997. Flora of Korea.
McGuffin, M., J. T. Kartesz, A. Y. Leung, & A. O. Tucker. 2000. Herbs of commerce, ed. 2 American Herbal Products Association, Silver Spring, Maryland.
Migahid, A. M. 1988-1990. Flora of Saudi Arabia, ed. 3.
Molina G., A. M. 2011. Review of Cyperaceae data for World Economic Plants, ed. 2. pers. comm. via e-mail on 31 Mar.
Mun-Chan, B. et al. 1986. A checklist of the Korean cultivated plants. Kulturpflanze 34:95.
Natural Products Research Institute, Seoul National University. 1998. Medicinal plants in the Republic of Korea. WHO Regional Publications Western Pacific Series No. 21. URL: http://www.wpro.who.int/internet/files/pub/97/91.pdf
Norton, J. et al. 2009. Illustrated checklist of the flora of Qatar. URL: http://www.unesco.org/new/uploads/media/Plant_Species_Checklist_of_Qatar.pdf
Ohwi, J. 1965. Flora of Japan (Engl. ed.).
Padua, L. S. de et al., eds. 1999. Medicinal and poisonous plants 1. Plant Resources of South-East Asia (PROSEA) 12(1):228. URL: http://proseanet.org
Parsons, W. T. & E. G. Cuthbertson. 1992. Noxious weeds of Australia Inkata Press, Melbourne, Australia.
Personal Care Products Council. INCI URL: http://www.personalcarecouncil.org/public/what-inci
Porcher, M. H. et al. Searchable World Wide Web Multilingual Multiscript Plant Name Database (MMPND) (on-line resource). URL: http://www.plantnames.unimelb.edu.au/Sorting/Frontpage.html
Proctor, G. R. 1984. Flora of the Cayman Islands. Kew Bulletin Additional Series XI.
Rechinger, K. H., ed. 1963-. Flora iranica.
Rehm, S. 1994. Multilingual dictionary of agronomic plants
Rogers, G. & B. McClain. 1998. The sedges (Cyperaceae) of Barbados. Rhodora 100:398.
Seed Regulatory and Testing Division, Agricultural Marketing Service, U.S.D.A. State noxious-weed seed requirements recognized in the administration of the Federal Seed Act (updated annually). URL: http://www.ams.usda.gov/AMSv1.0/getfile?dDocName=STELPRDC5090172
Simpson, D. A. & C. A. Inglis. 2001. Cyperaceae of economic, ethnobotanical and horticultural importance: a checklist. Kew Bull. 56:305-306.
Smith, A. C. 1979-1991. Flora vitiensis nova.
Smith, R. J. Botanical beads of the world (on-line resource). URL: http://www.botanicalbeads.com/BBB_page_60.html
Standley, P. C. & J. A. Steyermark. 1958. Flora of Guatemala. 24(part 1):136.
Stanley, T. D. & E. M. Ross. 1983-1989. Flora of south-eastern Queensland.
Steenis, C. G. G. J. van, ed. 1948-. Flora malesiana.
Steyermark, J. A. et al., eds. 1995-. Flora of the Venezuelan Guayana. Note: Missouri Botanical Garden & Timber Press
Terrell, E. E. et al. 1986. Agricultural Handbook no. 505
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Tucker, G. C. 1994. Revision of the Mexican species of Cyperus (Cyperaceae). Syst. Bot. Monogr. 43:101-103. URL: http://herbarium.lsa.umich.edu/SBMweb/index.html
Tutin, T. G. et al., eds. 1964-1980. Flora europaea.
Vibrans, H., ed. Malezas de México (on-line resource). URL: http://www.conabio.gob.mx/malezasdemexico/cyperaceae/cyperus-rotundus/fichas/pagina1.htm
Westphal, E. & P. C. M. Jansen, eds. 1989. A selection. Plant Resources of South-East Asia (PROSEA) A:108. URL: http://proseanet.org
Wood, J. R. I. 1997. A handbook of the Yemen flora.
Zohary, M. & N. Feinbrun-Dothan. 1966-. Flora palaestina.
Zuloaga, F. O. & O. Morrone, eds. 1996, 1999. Catálogo de las plantas vasculares de la República Argentina. I. Pteridophyta, Gymnospermae y Angiospermae (Monocotyledonae), II. Dicotyledonae. Monogr. Syst. Bot. Missouri Bot. Gard. 60, 74.
2018. Mid-Atlantic invasive plant species (on-line resource)

Common names

English
coco-grass –
ground-almond –
Java-grass –
nut sedge –
nut-grass –
purple nut sedge –
purple nut-grass –
red nut sedge –
Arabic
sa'ed –
English (Canada)
purple nut sedge –
French
souchet rond –
French (Canada)
souchet rond –
German
knolliges Zypergras –
Portuguese (Brazil)
alho-bravo –
capim-alho –
capim-dandá –
tiririca –
tiririca-vermelha –
Spanish
castañuela –
cipero –
coquito –
juncia real –
Swedish
nötag –
Transcribed Chinese
suo cao –
xiang fu zi –
Transcribed Korean
hyangbuja –

Distribution

order_code	Status	Continent	Subcontinent	Country	State	Note
1	Native	Africa	East Tropical Africa	Kenya
1	Native	Africa	East Tropical Africa	Tanzania
1	Native	Africa	East Tropical Africa	Uganda
1	Native	Africa	Macaronesia	Cabo Verde
1	Native	Africa	Macaronesia	Portugal	Azores
1	Native	Africa	Macaronesia	Portugal	Madeira Islands
1	Native	Africa	Macaronesia	Spain	Canary Islands
1	Native	Africa	Middle Atlantic Ocean	St. Helena
1	Native	Africa	Northeast Tropical Africa	Chad
1	Native	Africa	Northeast Tropical Africa	Djibouti
1	Native	Africa	Northeast Tropical Africa	Eritrea
1	Native	Africa	Northeast Tropical Africa	Ethiopia
1	Native	Africa	Northeast Tropical Africa	Somalia
1	Native	Africa	Northeast Tropical Africa	Sudan
1	Native	Africa	Northeast Tropical Africa	Yemen	Socotra
1	Native	Africa	Northern Africa	Algeria
1	Native	Africa	Northern Africa	Egypt
1	Native	Africa	Northern Africa	Libya
1	Native	Africa	Northern Africa	Morocco
1	Native	Africa	Northern Africa	Tunisia
1	Native	Africa	Northern Africa	Western Sahara
1	Native	Africa	South Tropical Africa	Angola
1	Native	Africa	South Tropical Africa	Malawi
1	Native	Africa	South Tropical Africa	Mozambique
1	Native	Africa	South Tropical Africa	Zambia
1	Native	Africa	South Tropical Africa	Zimbabwe
1	Native	Africa	Southern Africa	Botswana
1	Native	Africa	Southern Africa	Eswatini
1	Native	Africa	Southern Africa	Namibia
1	Native	Africa	Southern Africa	South Africa
1	Native	Africa	West Tropical Africa	Benin
1	Native	Africa	West Tropical Africa	Burkina Faso
1	Native	Africa	West Tropical Africa	Côte D'Ivoire
1	Native	Africa	West Tropical Africa	Ghana
1	Native	Africa	West Tropical Africa	Guinea
1	Native	Africa	West Tropical Africa	Mali
1	Native	Africa	West Tropical Africa	Mauritania
1	Native	Africa	West Tropical Africa	Niger
1	Native	Africa	West Tropical Africa	Nigeria
1	Native	Africa	West Tropical Africa	Senegal
1	Native	Africa	West Tropical Africa	Sierra Leone
1	Native	Africa	West Tropical Africa	Togo
1	Native	Africa	West-Central Tropical Africa	Burundi
1	Native	Africa	West-Central Tropical Africa	Democratic Republic of the Congo
1	Native	Africa	West-Central Tropical Africa	Equatorial Guinea
1	Native	Africa	West-Central Tropical Africa	Gabon
1	Native	Africa	West-Central Tropical Africa	Rwanda
1	Native	Africa	Western Indian Ocean	Comoros
1	Native	Africa	Western Indian Ocean	Madagascar
1	Native	Africa	Western Indian Ocean	Mauritius
1	Native	Africa	Western Indian Ocean	Reunion
1	Native	Africa	Western Indian Ocean	Seychelles
1	Native	Asia-Temperate	Arabian Peninsula	Saudi Arabia
1	Native	Asia-Temperate	Arabian Peninsula	Yemen
1	Native	Asia-Temperate	Caucasus	Armenia
1	Native	Asia-Temperate	Caucasus	Azerbaijan
1	Native	Asia-Temperate	Caucasus	Russian Federation-Ciscaucasia	Ciscaucasia
1	Native	Asia-Temperate	China	China	Anhui Sheng
1	Native	Asia-Temperate	China	China	Gansu Sheng
1	Native	Asia-Temperate	China	China	Guangdong Sheng
1	Native	Asia-Temperate	China	China	Guangxi Zhuangzu Zizhiqu
1	Native	Asia-Temperate	China	China	Guizhou Sheng
1	Native	Asia-Temperate	China	China	Hebei Sheng
1	Native	Asia-Temperate	China	China	Henan Sheng
1	Native	Asia-Temperate	China	China	Jiangsu Sheng
1	Native	Asia-Temperate	China	China	Jiangxi Sheng
1	Native	Asia-Temperate	China	China	Shaanxi Sheng
1	Native	Asia-Temperate	China	China	Shandong Sheng
1	Native	Asia-Temperate	China	China	Shanxi Sheng
1	Native	Asia-Temperate	China	China	Sichuan Sheng
1	Native	Asia-Temperate	China	China	Xinjiang Uygur Zizhiqu
1	Native	Asia-Temperate	China	China	Yunnan Sheng
1	Native	Asia-Temperate	China	China	Zhejiang Sheng
1	Native	Asia-Temperate	Eastern Asia	Japan	Honshu
1	Native	Asia-Temperate	Eastern Asia	Japan	Kyushu
1	Native	Asia-Temperate	Eastern Asia	Japan	Shikoku
1	Native	Asia-Temperate	Eastern Asia	Korea
1	Native	Asia-Temperate	Eastern Asia	Taiwan
1	Native	Asia-Temperate	Middle Asia	Kazakhstan
1	Native	Asia-Temperate	Middle Asia	Kyrgyzstan
1	Native	Asia-Temperate	Middle Asia	Turkmenistan
1	Native	Asia-Temperate	Middle Asia	Uzbekistan
1	Native	Asia-Temperate	Western Asia	Afghanistan
1	Native	Asia-Temperate	Western Asia	Cyprus
1	Native	Asia-Temperate	Western Asia	Egypt	Sinai
1	Native	Asia-Temperate	Western Asia	Iran
1	Native	Asia-Temperate	Western Asia	Iraq
1	Native	Asia-Temperate	Western Asia	Israel
1	Native	Asia-Temperate	Western Asia	Lebanon
1	Native	Asia-Temperate	Western Asia	Syria
1	Native	Asia-Temperate	Western Asia	Turkey
1	Native	Asia-Tropical	Indian Subcontinent	Bhutan
1	Native	Asia-Tropical	Indian Subcontinent	India
1	Native	Asia-Tropical	Indian Subcontinent	Nepal
1	Native	Asia-Tropical	Indian Subcontinent	Pakistan
1	Native	Asia-Tropical	Indian Subcontinent	Sri Lanka
1	Native	Asia-Tropical	Indo-China	India	Andaman and Nicobar Islands
1	Native	Asia-Tropical	Indo-China	Myanmar
1	Native	Asia-Tropical	Indo-China	Thailand
1	Native	Asia-Tropical	Indo-China	Vietnam
1	Native	Asia-Tropical	Malesia	Indonesia
1	Native	Asia-Tropical	Malesia	Malaysia
1	Native	Asia-Tropical	Malesia	Philippines
1	Native	Europe	Middle Europe	Austria
1	Native	Europe	Middle Europe	Switzerland
1	Native	Europe	Southeastern Europe	Albania
1	Native	Europe	Southeastern Europe	Bulgaria
1	Native	Europe	Southeastern Europe	Croatia
1	Native	Europe	Southeastern Europe	Greece		incl. Crete
1	Native	Europe	Southeastern Europe	Italy		incl. Sardinia, Sicily
1	Native	Europe	Southeastern Europe	Romania
1	Native	Europe	Southeastern Europe	Serbia
1	Native	Europe	Southeastern Europe	Slovenia
1	Native	Europe	Southwestern Europe	France		incl. Corsica
1	Native	Europe	Southwestern Europe	Portugal
1	Native	Europe	Southwestern Europe	Spain		incl. Baleares
1	Native	Pacific	Northwestern Pacific	Marshall Islands
1	Native	Pacific	Northwestern Pacific	Micronesia
1	Native	Pacific	Northwestern Pacific	United States	Northern Mariana Islands
1	Native	Pacific	Northwestern Pacific	United States	United States Minor Outlying Islands
4	Naturalized	Australasia	Australia	Australia	New South Wales
4	Naturalized	Australasia	Australia	Australia	Northern Territory
4	Naturalized	Australasia	Australia	Australia	Queensland
4	Naturalized	Australasia	Australia	Australia	South Australia
4	Naturalized	Australasia	Australia	Australia	Western Australia
4	Naturalized	Northern America	North-Central U.S.A.	United States	Missouri
4	Naturalized	Northern America	Northern Mexico	Mexico	Baja California Sur
4	Naturalized	Northern America	Northern Mexico	Mexico	Chihuahua
4	Naturalized	Northern America	Northern Mexico	Mexico	Nuevo León
4	Naturalized	Northern America	Northern Mexico	Mexico	San Luis Potosí
4	Naturalized	Northern America	Northern Mexico	Mexico	Sinaloa
4	Naturalized	Northern America	Northern Mexico	Mexico	Sonora
4	Naturalized	Northern America	Northern Mexico	Mexico	Tamaulipas
4	Naturalized	Northern America	Northern Mexico	Mexico	Zacatecas
4	Naturalized	Northern America	South-Central U.S.A.	United States	New Mexico
4	Naturalized	Northern America	South-Central U.S.A.	United States	Texas
4	Naturalized	Northern America	Southeastern U.S.A.	United States	Alabama
4	Naturalized	Northern America	Southeastern U.S.A.	United States	Arkansas
4	Naturalized	Northern America	Southeastern U.S.A.	United States	Florida
4	Naturalized	Northern America	Southeastern U.S.A.	United States	Georgia
4	Naturalized	Northern America	Southeastern U.S.A.	United States	Louisiana
4	Naturalized	Northern America	Southeastern U.S.A.	United States	Mississippi
4	Naturalized	Northern America	Southeastern U.S.A.	United States	North Carolina
4	Naturalized	Northern America	Southeastern U.S.A.	United States	South Carolina
4	Naturalized	Northern America	Southeastern U.S.A.	United States	Tennessee
4	Naturalized	Northern America	Southeastern U.S.A.	United States	Virginia
4	Naturalized	Northern America	Southern Mexico	Mexico	Chiapas
4	Naturalized	Northern America	Southern Mexico	Mexico	Guerrero
4	Naturalized	Northern America	Southern Mexico	Mexico	Jalisco
4	Naturalized	Northern America	Southern Mexico	Mexico	Michoacán de Ocampo
4	Naturalized	Northern America	Southern Mexico	Mexico	Oaxaca
4	Naturalized	Northern America	Southern Mexico	Mexico	Tabasco
4	Naturalized	Northern America	Southern Mexico	Mexico	Veracruz de Ignacio de la Llave
4	Naturalized	Northern America	Southern Mexico	Mexico	Yucatán
4	Naturalized	Northern America	Southwestern U.S.A.	United States	Arizona
4	Naturalized	Northern America	Southwestern U.S.A.	United States	California
4	Naturalized	Pacific	North-Central Pacific	United States	Hawaii
4	Naturalized	Pacific	South-Central Pacific	Cook Islands
4	Naturalized	Pacific	South-Central Pacific	French Polynesia	Society Islands
4	Naturalized	Pacific	South-Central Pacific	French Polynesia	Tuamotu Archipelago
4	Naturalized	Pacific	Southwestern Pacific	Fiji
4	Naturalized	Pacific	Southwestern Pacific	Niue
4	Naturalized	Pacific	Southwestern Pacific	Tonga
4	Naturalized	Southern America	Brazil	Brazil
4	Naturalized	Southern America	Caribbean	Anguilla
4	Naturalized	Southern America	Caribbean	Aruba
4	Naturalized	Southern America	Caribbean	Bahamas
4	Naturalized	Southern America	Caribbean	Barbados
4	Naturalized	Southern America	Caribbean	Cayman Islands
4	Naturalized	Southern America	Caribbean	Cuba
4	Naturalized	Southern America	Caribbean	Dominica
4	Naturalized	Southern America	Caribbean	Guadeloupe
4	Naturalized	Southern America	Caribbean	Hispaniola
4	Naturalized	Southern America	Caribbean	Jamaica
4	Naturalized	Southern America	Caribbean	Martinique
4	Naturalized	Southern America	Caribbean	Netherlands Antilles
4	Naturalized	Southern America	Caribbean	St. Lucia
4	Naturalized	Southern America	Caribbean	Trinidad and Tobago
4	Naturalized	Southern America	Caribbean	United States	Puerto Rico
4	Naturalized	Southern America	Caribbean	United States	Virgin Islands, U.S.
4	Naturalized	Southern America	Caribbean	Virgin Islands (British)
4	Naturalized	Southern America	Central America	Belize
4	Naturalized	Southern America	Central America	Costa Rica
4	Naturalized	Southern America	Central America	El Salvador
4	Naturalized	Southern America	Central America	Guatemala
4	Naturalized	Southern America	Central America	Honduras
4	Naturalized	Southern America	Central America	Nicaragua
4	Naturalized	Southern America	Central America	Panama
4	Naturalized	Southern America	Northern South America	French Guiana
4	Naturalized	Southern America	Northern South America	Guyana
4	Naturalized	Southern America	Northern South America	Suriname
4	Naturalized	Southern America	Northern South America	Venezuela
4	Naturalized	Southern America	Southern South America	Argentina
4	Naturalized	Southern America	Western South America	Bolivia
4	Naturalized	Southern America	Western South America	Colombia
4	Naturalized	Southern America	Western South America	Ecuador
4	Naturalized	Southern America	Western South America	Peru
6	Other					native status in New World uncertain

Native
Africa

MACARONESIA: Cabo Verde, Spain [Canary Islands], Portugal [Azores, Madeira Islands]
MIDDLE ATLANTIC OCEAN: St. Helena
NORTHERN AFRICA: Algeria, Egypt, Western Sahara, Libya, Morocco, Tunisia
NORTHEAST TROPICAL AFRICA: Djibouti, Eritrea, Ethiopia, Sudan, Somalia, Chad, Yemen [Socotra]
EAST TROPICAL AFRICA: Kenya, Tanzania, Uganda
WEST-CENTRAL TROPICAL AFRICA: Burundi, Democratic Republic of the Congo, Gabon, Equatorial Guinea, Rwanda
WEST TROPICAL AFRICA: Benin, Burkina Faso, Côte D'Ivoire, Ghana, Guinea, Mali, Mauritania, Niger, Nigeria, Senegal, Sierra Leone, Togo
SOUTH TROPICAL AFRICA: Angola, Mozambique, Malawi, Zambia, Zimbabwe
SOUTHERN AFRICA: Botswana, Namibia, Eswatini, South Africa
WESTERN INDIAN OCEAN: Comoros, Madagascar, Mauritius, Reunion, Seychelles

Asia-Temperate

ARABIAN PENINSULA: Saudi Arabia, Yemen
WESTERN ASIA: Afghanistan, Cyprus, Egypt [Sinai], Iran, Iraq, Israel, Lebanon, Syria, Turkey
CAUCASUS: Russian Federation-Ciscaucasia [Ciscaucasia], Armenia, Azerbaijan
MIDDLE ASIA: Kazakhstan, Kyrgyzstan, Turkmenistan, Uzbekistan
CHINA: China [Anhui Sheng, Zhejiang Sheng, Henan Sheng, Hebei Sheng, Gansu Sheng, Jiangxi Sheng, Jiangsu Sheng, Guangdong Sheng, Guizhou Sheng, Shanxi Sheng, Shandong Sheng, Shaanxi Sheng, Sichuan Sheng, Yunnan Sheng, Guangxi Zhuangzu Zizhiqu, Xinjiang Uygur Zizhiqu]
EASTERN ASIA: Korea, Japan [Honshu, Kyushu, Shikoku], Taiwan

Asia-Tropical

INDIAN SUBCONTINENT: Bhutan, India, Sri Lanka, Nepal, Pakistan
INDO-CHINA: India [Andaman and Nicobar Islands], Myanmar, Thailand, Vietnam
MALESIA: Indonesia, Malaysia, Philippines

Europe

MIDDLE EUROPE: Austria, Switzerland
SOUTHEASTERN EUROPE: Albania, Bulgaria, Greece (incl. Crete), Croatia, Italy (incl. Sardinia, Sicily), Romania, Serbia, Slovenia
SOUTHWESTERN EUROPE: Spain (incl. Baleares), France (incl. Corsica), Portugal

Pacific

NORTHWESTERN PACIFIC: Micronesia, Marshall Islands, United States [Northern Mariana Islands, United States Minor Outlying Islands]

Naturalized
Australasia

AUSTRALIA: Australia [New South Wales, Queensland, South Australia, Western Australia, Northern Territory]

Northern America

NORTH-CENTRAL U.S.A.: United States [Missouri]
SOUTHEASTERN U.S.A.: United States [Alabama, Arkansas, Florida, Georgia, Louisiana, Mississippi, North Carolina, South Carolina, Tennessee, Virginia]
SOUTH-CENTRAL U.S.A.: United States [New Mexico, Texas]
SOUTHWESTERN U.S.A.: United States [Arizona, California]
NORTHERN MEXICO: Mexico [Chihuahua, Nuevo León, San Luis Potosí, Sinaloa, Sonora, Tamaulipas, Zacatecas, Baja California Sur]
SOUTHERN MEXICO: Mexico [Chiapas, Guerrero, Jalisco, Michoacán de Ocampo, Oaxaca, Tabasco, Veracruz de Ignacio de la Llave, Yucatán]

Pacific

NORTH-CENTRAL PACIFIC: United States [Hawaii]
SOUTH-CENTRAL PACIFIC: Cook Islands, French Polynesia [Society Islands, Tuamotu Archipelago]
SOUTHWESTERN PACIFIC: Fiji, Niue, Tonga

Southern America

CARIBBEAN: Hispaniola, Aruba, Anguilla, Netherlands Antilles, Bahamas, Barbados, Cuba, Cayman Islands, Dominica, Guadeloupe, Jamaica, St. Lucia, Martinique, Trinidad and Tobago, United States [Puerto Rico, Virgin Islands, U.S.], Virgin Islands (British)
CENTRAL AMERICA: Belize, Costa Rica, Guatemala, Honduras, Nicaragua, Panama, El Salvador
NORTHERN SOUTH AMERICA: French Guiana, Guyana, Suriname, Venezuela
BRAZIL: Brazil
WESTERN SOUTH AMERICA: Bolivia, Colombia, Ecuador, Peru
SOUTHERN SOUTH AMERICA: Argentina

Other (native status in New World uncertain)

Economic Uses

Usage	Type	Note	Reference
Animal food	forage		Simpson, D. A. & C. A. Inglis. 2001. Cyperaceae of economic, ethnobotanical and horticultural importance: a checklist. Kew Bull. 56:305-306.
Environmental	erosion control		Parsons, W. T. & E. G. Cuthbertson. 1992. Noxious weeds of Australia Inkata Press, Melbourne, Australia.
Harmful organism host	crop pests		Parsons, W. T. & E. G. Cuthbertson. 1992. Noxious weeds of Australia Inkata Press, Melbourne, Australia.
Human food	vegetable	famine food	Burkill, H. M. 1985-2004. The useful plants of west tropical Africa.
Materials	beads		Smith, R. J. Botanical beads of the world (on-line resource). URL: http://www.botanicalbeads.com/BBB_page_60.html
Materials	essential oils		Craker, L. E. & J. E. Simon, eds. 1986-1987. Herbs, spices, and medicinal plants, 2 vols.
Medicines	folklore		Dassanayake, M. D. & F. R. Fosberg, eds. 1980-. A revised handbook to the flora of Ceylon.
Medicines	folklore		Padua, L. S. de et al., eds. 1999. Medicinal and poisonous plants 1. Plant Resources of South-East Asia (PROSEA) 12(1):228. URL: http://proseanet.org
Medicines	folklore		McGuffin, M., J. T. Kartesz, A. Y. Leung, & A. O. Tucker. 2000. Herbs of commerce, ed. 2 American Herbal Products Association, Silver Spring, Maryland.
Weed	potential seed contaminant		Tucker, G. C. 1994. Revision of the Mexican species of Cyperus (Cyperaceae). Syst. Bot. Monogr. 43:101-103. URL: http://herbarium.lsa.umich.edu/SBMweb/index.html
Weed	potential seed contaminant		CIBA-GEIGY, Basel, Switzerland. Documenta CIBA-GEIGY (Grass weeds 1. 1980, 2. 1981; Monocot weeds 3. 1982; Dicot weeds 1. 1988) Note: four books on weeds worldwide in scope