Taxon: Cyperus haspan L.

Summary

Genus:

Cyperus

Family:

Cyperaceae

Subfamily:

Cyperoideae

Tribe:

Cypereae

Nomen number:

402810

Place of publication:

Sp. pl. 1:45. 1753

Typification:

View in Linnean Typification Project

Verified:

12/10/2009 ARS Systematic Botanists.

Accessions:

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

Other conspecific taxa

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

No images

Conservation Status

Reference(s)

University of Georgia Center for Invasive Species and Ecosystem Health
Acevedo-Rodríguez, P. & M. T. Strong. 2012. Catalogue of seed plants of the West Indies. Smithsonian Contr. Bot. 98
Aldén, B., S. Ryman, & M. Hjertson. 2012. Svensk Kulturväxtdatabas, SKUD (Swedish Cultivated and Utility Plants Database; online resource)
Boggan, J. et al. 1997. Checklist of the plants of the Guianas, ed. 2
Brako, L. & J. L. Zarucchi. 1993. Catalogue of the flowering plants and gymnosperms of Peru. Monogr. Syst. Bot. Missouri Bot. Gard. 45
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
Dassanayake, M. D. & F. R. Fosberg, eds. 1980-. A revised handbook to the flora of Ceylon.
Davidse, G. et al., eds. 1994. Flora mesoamericana.
FNA Editorial Committee. 1993-. Flora of North America.
Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
Grierson, A. J. C. & D. J. Long. 1984-. Flora of Bhutan including a record of plants from Sikkim.
Haines, R. W. & K. A. Lye. 1983. Sedges and rushes of East Africa Note: lists as "Cyperus halpan" L.
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
Hnatiuk, R. J. 1990. Census of Australian vascular plants. Australian Flora and Fauna Series No. 11.
Holm, L. et al. 1979. A geographical atlas of world weeds
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.
Molina G., A. M. 2011. Review of Cyperaceae data for World Economic Plants, ed. 2. pers. comm. via e-mail on 31 Mar.
Ohwi, J. 1965. Flora of Japan (Engl. ed.).
Padua, L. S. de et al., eds. 1999. Medicinal and poisonous plants 1. In: Faridah Hanum, I. & L. J. G. van der Maesen, eds., Plant Resources of South-East Asia (PROSEA) 12(1):226. Note: = Cyperus halpan
Porcher, M. H. et al. Searchable World Wide Web Multilingual Multiscript Plant Name Database (MMPND) (on-line resource).
Rechinger, K. H., ed. 1963-. Flora iranica.
Smith, A. C. 1979-1991. Flora vitiensis nova.
Stanley, T. D. & E. M. Ross. 1983-1989. Flora of south-eastern Queensland.
Steenis, C. G. G. J. van, ed. 1948-. Flora malesiana. Note: lists as "Cyperus halpan" L.
Steyermark, J. A. et al., eds. 1995-. Flora of the Venezuelan Guayana. Note: Missouri Botanical Garden & Timber Press
Thulin, M., ed. 1993-. Flora of Somalia.
Tucker, G. C. 1994. Revision of the Mexican species of Cyperus (Cyperaceae). Syst. Bot. Monogr. 43:48-49.

Common names

Language	Name	seq	Citation
English	dwarf papyrus sedge	1	Molina G., A. M. 2011. Review of Cyperaceae data for World Economic Plants, ed. 2. pers. comm. via e-mail on 31 Mar.
English	haspan flat sedge	1	Molina G., A. M. 2011. Review of Cyperaceae data for World Economic Plants, ed. 2. pers. comm. via e-mail on 31 Mar.
Spanish	papiro enano	2	Molina G., A. M. 2011. Review of Cyperaceae data for World Economic Plants, ed. 2. pers. comm. via e-mail on 31 Mar.
Swedish	haspansäv	2	Aldén, B., S. Ryman, & M. Hjertson. 2012. Svensk Kulturväxtdatabas, SKUD (Swedish Cultivated and Utility Plants Database; online resource)

Distribution

order_code	Status	Continent	Subcontinent	Country	State	Reference
1	Native	Africa	East Tropical Africa	Kenya		Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
1	Native	Africa	East Tropical Africa	Tanzania		Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
1	Native	Africa	East Tropical Africa	Uganda		Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
1	Native	Africa	Northeast Tropical Africa	Chad		Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
1	Native	Africa	Northeast Tropical Africa	Ethiopia		Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
1	Native	Africa	Northeast Tropical Africa	Somalia		Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
1	Native	Africa	Northeast Tropical Africa	Sudan		Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
1	Native	Africa	South Tropical Africa	Angola		Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
1	Native	Africa	South Tropical Africa	Malawi		Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
1	Native	Africa	South Tropical Africa	Mozambique		Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
1	Native	Africa	South Tropical Africa	Zambia		Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
1	Native	Africa	South Tropical Africa	Zimbabwe		Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
1	Native	Africa	West Tropical Africa	Benin		Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
1	Native	Africa	West Tropical Africa	Burkina Faso		Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
1	Native	Africa	West Tropical Africa	Côte D'Ivoire		Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
1	Native	Africa	West Tropical Africa	Gambia		Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
1	Native	Africa	West Tropical Africa	Ghana		Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
1	Native	Africa	West Tropical Africa	Guinea		Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
1	Native	Africa	West Tropical Africa	Guinea-Bissau		Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
1	Native	Africa	West Tropical Africa	Liberia		Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
1	Native	Africa	West Tropical Africa	Niger		Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
1	Native	Africa	West Tropical Africa	Nigeria		Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
1	Native	Africa	West Tropical Africa	Senegal		Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
1	Native	Africa	West Tropical Africa	Sierra Leone		Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
1	Native	Africa	West Tropical Africa	Togo		Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
1	Native	Africa	West-Central Tropical Africa	Burundi		Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
1	Native	Africa	West-Central Tropical Africa	Cameroon		Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
1	Native	Africa	West-Central Tropical Africa	Democratic Republic of the Congo		Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
1	Native	Africa	West-Central Tropical Africa	Equatorial Guinea		Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
1	Native	Africa	West-Central Tropical Africa	Gabon		Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
1	Native	Africa	Western Indian Ocean	Comoros		Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
1	Native	Africa	Western Indian Ocean	Madagascar		Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
1	Native	Africa	Western Indian Ocean	Seychelles		Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
1	Native	Asia-Temperate	China	China	Fujian Sheng	Chinese Academy of Sciences. 1959-. Flora reipublicae popularis sinicae.
1	Native	Asia-Temperate	China	China	Guangdong Sheng	Chinese Academy of Sciences. 1959-. Flora reipublicae popularis sinicae.
1	Native	Asia-Temperate	China	China	Guangxi Zhuangzu Zizhiqu	Chinese Academy of Sciences. 1959-. Flora reipublicae popularis sinicae.
1	Native	Asia-Temperate	China	China	Sichuan Sheng	Chinese Academy of Sciences. 1959-. Flora reipublicae popularis sinicae.
1	Native	Asia-Temperate	China	China	Yunnan Sheng	Chinese Academy of Sciences. 1959-. Flora reipublicae popularis sinicae.
1	Native	Asia-Temperate	Eastern Asia	Japan	Honshu	Ohwi, J. 1965. Flora of Japan (Engl. ed.).
1	Native	Asia-Temperate	Eastern Asia	Japan	Kyushu	Ohwi, J. 1965. Flora of Japan (Engl. ed.).
1	Native	Asia-Temperate	Eastern Asia	Japan	Ryukyu Islands	Ohwi, J. 1965. Flora of Japan (Engl. ed.).
1	Native	Asia-Temperate	Eastern Asia	Japan	Shikoku	Ohwi, J. 1965. Flora of Japan (Engl. ed.).
1	Native	Asia-Temperate	Eastern Asia	Taiwan		Chinese Academy of Sciences. 1959-. Flora reipublicae popularis sinicae.
1	Native	Asia-Temperate	Western Asia	Iran		Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
1	Native	Asia-Tropical	Indian Subcontinent	India		Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
1	Native	Asia-Tropical	Indian Subcontinent	Nepal		Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
1	Native	Asia-Tropical	Indian Subcontinent	Pakistan		Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
1	Native	Asia-Tropical	Indian Subcontinent	Sri Lanka		Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
1	Native	Asia-Tropical	Indo-China	Cambodia		Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
1	Native	Asia-Tropical	Indo-China	India	Andaman and Nicobar Islands	Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
1	Native	Asia-Tropical	Indo-China	Laos		Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
1	Native	Asia-Tropical	Indo-China	Myanmar		Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
1	Native	Asia-Tropical	Indo-China	Thailand		Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
1	Native	Asia-Tropical	Indo-China	Vietnam		Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
1	Native	Asia-Tropical	Malesia	Indonesia		Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
1	Native	Asia-Tropical	Malesia	Malaysia		Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
1	Native	Asia-Tropical	Malesia	Philippines		Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
1	Native	Asia-Tropical	Papuasia	Papua New Guinea		Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
1	Native	Asia-Tropical	Papuasia	Solomon Islands		Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
1	Native	Australasia	Australia	Australia	New South Wales	Hnatiuk, R. J. 1990. Census of Australian vascular plants. Australian Flora and Fauna Series No. 11.
1	Native	Australasia	Australia	Australia	Northern Territory	Hnatiuk, R. J. 1990. Census of Australian vascular plants. Australian Flora and Fauna Series No. 11.
1	Native	Australasia	Australia	Australia	Queensland	Hnatiuk, R. J. 1990. Census of Australian vascular plants. Australian Flora and Fauna Series No. 11.
1	Native	Australasia	Australia	Australia	Western Australia	Hnatiuk, R. J. 1990. Census of Australian vascular plants. Australian Flora and Fauna Series No. 11.
1	Native	Northern America	South-Central U.S.A.	United States	Texas	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Southeastern U.S.A.	United States	Alabama	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Southeastern U.S.A.	United States	Florida	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Southeastern U.S.A.	United States	Georgia	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Southeastern U.S.A.	United States	Louisiana	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Southeastern U.S.A.	United States	Mississippi	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Southeastern U.S.A.	United States	North Carolina	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Southeastern U.S.A.	United States	South Carolina	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Southeastern U.S.A.	United States	Virginia	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Southern Mexico	Mexico	Chiapas	Tucker, G. C. 1994. Revision of the Mexican species of Cyperus (Cyperaceae). Syst. Bot. Monogr. 43:48-49.
1	Native	Northern America	Southern Mexico	Mexico	Guerrero	Tucker, G. C. 1994. Revision of the Mexican species of Cyperus (Cyperaceae). Syst. Bot. Monogr. 43:48-49.
1	Native	Northern America	Southern Mexico	Mexico	Michoacán de Ocampo	Tucker, G. C. 1994. Revision of the Mexican species of Cyperus (Cyperaceae). Syst. Bot. Monogr. 43:48-49.
1	Native	Northern America	Southern Mexico	Mexico	Nayarit	Tucker, G. C. 1994. Revision of the Mexican species of Cyperus (Cyperaceae). Syst. Bot. Monogr. 43:48-49.
1	Native	Northern America	Southern Mexico	Mexico	Tabasco	Tucker, G. C. 1994. Revision of the Mexican species of Cyperus (Cyperaceae). Syst. Bot. Monogr. 43:48-49.
1	Native	Northern America	Southern Mexico	Mexico	Veracruz de Ignacio de la Llave	Tucker, G. C. 1994. Revision of the Mexican species of Cyperus (Cyperaceae). Syst. Bot. Monogr. 43:48-49.
1	Native	Pacific	Northwestern Pacific	Micronesia		Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
1	Native	Southern America	Brazil	Brazil		Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
1	Native	Southern America	Caribbean	Cuba		Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
1	Native	Southern America	Caribbean	Dominican Republic		Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
1	Native	Southern America	Caribbean	Jamaica		Acevedo-Rodríguez, P. & M. T. Strong. 2012. Catalogue of seed plants of the West Indies. Smithsonian Contr. Bot. 98
1	Native	Southern America	Caribbean	Trinidad and Tobago		Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
1	Native	Southern America	Caribbean	United States	Puerto Rico	Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
1	Native	Southern America	Central America	Belize		Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
1	Native	Southern America	Central America	Costa Rica		Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
1	Native	Southern America	Central America	Guatemala		Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
1	Native	Southern America	Central America	Honduras		Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
1	Native	Southern America	Central America	Nicaragua		Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
1	Native	Southern America	Central America	Panama		Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
1	Native	Southern America	Northern South America	French Guiana		Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
1	Native	Southern America	Northern South America	Guyana		Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
1	Native	Southern America	Northern South America	Suriname		Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
1	Native	Southern America	Northern South America	Venezuela		Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
1	Native	Southern America	Southern South America	Paraguay		Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
1	Native	Southern America	Western South America	Bolivia		Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
1	Native	Southern America	Western South America	Colombia		Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
1	Native	Southern America	Western South America	Ecuador		Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
1	Native	Southern America	Western South America	Peru		Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
4	Naturalized	Pacific	North-Central Pacific	United States	Hawaii	Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
4	Naturalized	Pacific	Southwestern Pacific	Fiji		Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.

Native
Africa

NORTHEAST TROPICAL AFRICA: Ethiopia, Sudan, Somalia, Chad
EAST TROPICAL AFRICA: Kenya, Tanzania, Uganda
WEST-CENTRAL TROPICAL AFRICA: Burundi, Cameroon, Democratic Republic of the Congo, Gabon, Equatorial Guinea
WEST TROPICAL AFRICA: Benin, Burkina Faso, Côte D'Ivoire, Ghana, Guinea, Gambia, Guinea-Bissau, Liberia, Niger, Nigeria, Senegal, Sierra Leone, Togo
SOUTH TROPICAL AFRICA: Angola, Mozambique, Malawi, Zambia, Zimbabwe
WESTERN INDIAN OCEAN: Comoros, Madagascar, Seychelles

Asia-Temperate

WESTERN ASIA: Iran
CHINA: China [Fujian Sheng, Guangdong Sheng, Guangxi Zhuangzu Zizhiqu, Sichuan Sheng, Yunnan Sheng]
EASTERN ASIA: Japan [Honshu, Kyushu, Ryukyu Islands, Shikoku], Taiwan

Asia-Tropical

INDIAN SUBCONTINENT: India, Sri Lanka, Nepal, Pakistan
PAPUASIA: Papua New Guinea, Solomon Islands
INDO-CHINA: India [Andaman and Nicobar Islands], Cambodia, Laos, Myanmar, Thailand, Vietnam
MALESIA: Indonesia, Malaysia, Philippines

Australasia

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

Northern America

SOUTHEASTERN U.S.A.: United States [Alabama, Florida, Georgia, Louisiana, Mississippi, North Carolina, South Carolina, Virginia]
SOUTH-CENTRAL U.S.A.: United States [Texas]
SOUTHERN MEXICO: Mexico [Chiapas, Guerrero, Michoacán de Ocampo, Nayarit, Tabasco, Veracruz de Ignacio de la Llave]

Pacific

NORTHWESTERN PACIFIC: Micronesia

Southern America

CARIBBEAN: Cuba, Dominican Republic, Jamaica, Trinidad and Tobago, United States [Puerto Rico]
CENTRAL AMERICA: Belize, Costa Rica, Guatemala, Honduras, Nicaragua, Panama
NORTHERN SOUTH AMERICA: French Guiana, Guyana, Suriname, Venezuela
BRAZIL: Brazil
WESTERN SOUTH AMERICA: Bolivia, Colombia, Ecuador, Peru
SOUTHERN SOUTH AMERICA: Paraguay

Naturalized
Pacific

NORTH-CENTRAL PACIFIC: United States [Hawaii]
SOUTHWESTERN PACIFIC: Fiji

Reference(s)

Acevedo-Rodríguez, P. & M. T. Strong. 2012. Catalogue of seed plants of the West Indies. Smithsonian Contr. Bot. 98
Chinese Academy of Sciences. 1959-. Flora reipublicae popularis sinicae.
FNA Editorial Committee. 1993-. Flora of North America.
Govaerts, R. & D. A. Simpson. 2007. World checklist of Cyperaceae, sedges.
Hnatiuk, R. J. 1990. Census of Australian vascular plants. Australian Flora and Fauna Series No. 11.
Ohwi, J. 1965. Flora of Japan (Engl. ed.).
Tucker, G. C. 1994. Revision of the Mexican species of Cyperus (Cyperaceae). Syst. Bot. Monogr. 43:48-49.

Economic Uses

Usage	Type	Note	Reference
Medicines	folklore	as Cyperus halpan	Padua, L. S. de et al., eds. 1999. Medicinal and poisonous plants 1. In: Faridah Hanum, I. & L. J. G. van der Maesen, eds., Plant Resources of South-East Asia (PROSEA) 12(1):226. Note: = Cyperus halpan
Weed			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

Cite as: USDA, Agricultural Research Service, National Plant Germplasm System. 2026. Germplasm Resources Information Network (GRIN Taxonomy). National Germplasm Resources Laboratory, Beltsville, Maryland.
URL: https://npgstest.ars-grin.gov/gringlobal/taxon/taxonomydetail?id=402810. Accessed 12 May 2026.