Taxon: Rhynchospora nervosa Boeck.

Summary

Genus:

Rhynchospora

Family:

Cyperaceae

Subfamily:

Cyperoideae

Tribe:

Rhynchosporeae

Nomen number:

402814

Place of publication:

Vidensk. Meddel. Naturhist. Foren. Kjøbenhavn 1869:143. 1869

Verified:

09/18/1995 ARS Systematic Botanists.

Accessions:

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

Other conspecific taxa

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

Autonym(s)
Rhynchospora nervosa Boeck. subsp. nervosa

No images

Conservation Status

Reference(s)

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
Davidse, G. et al., eds. 1994. Flora mesoamericana.
Funk, V. et al. 2007. Checklist of the plants of the Guiana Shield (Venezuela: Amazonas, Bolivar, Delta Amacuro; Guyana, Surinam, French Guiana). Contr. U.S. Natl. Herb. 55:1-584.
Howard, R. 1974-1989. Flora of the lesser Antilles.
Rogers, G. & B. McClain. 1998. The sedges (Cyperaceae) of Barbados. Rhodora 100:409.
Steyermark, J. A. et al., eds. 1995-. Flora of the Venezuelan Guayana. Note: Missouri Botanical Garden & Timber Press
Thomas, W. W. 1984. The systematics of Rhynchospora section Dichromena. Mem. New York Bot. Gard. 37:89-100.

Common names

Language	Name	seq	Citation
English	star sedge	1	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
English	star-grass	1	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
English	whitetop sedge	1	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

Distribution

order_code	Status	Continent	Subcontinent	Country	State	Reference
1	Native	Northern America	Northern Mexico	Mexico	San Luis Potosí	Thomas, W. W. 1984. The systematics of Rhynchospora section Dichromena. Mem. New York Bot. Gard. 37:89-100.
1	Native	Northern America	Northern Mexico	Mexico	Sinaloa	Thomas, W. W. 1984. The systematics of Rhynchospora section Dichromena. Mem. New York Bot. Gard. 37:89-100.
1	Native	Northern America	Northern Mexico	Mexico	Tamaulipas	Thomas, W. W. 1984. The systematics of Rhynchospora section Dichromena. Mem. New York Bot. Gard. 37:89-100.
1	Native	Northern America	Southern Mexico	Mexico	Chiapas	Thomas, W. W. 1984. The systematics of Rhynchospora section Dichromena. Mem. New York Bot. Gard. 37:89-100.
1	Native	Northern America	Southern Mexico	Mexico	Guerrero	Thomas, W. W. 1984. The systematics of Rhynchospora section Dichromena. Mem. New York Bot. Gard. 37:89-100.
1	Native	Northern America	Southern Mexico	Mexico	Jalisco	Thomas, W. W. 1984. The systematics of Rhynchospora section Dichromena. Mem. New York Bot. Gard. 37:89-100.
1	Native	Northern America	Southern Mexico	Mexico	México	Thomas, W. W. 1984. The systematics of Rhynchospora section Dichromena. Mem. New York Bot. Gard. 37:89-100.
1	Native	Northern America	Southern Mexico	Mexico	Oaxaca	Thomas, W. W. 1984. The systematics of Rhynchospora section Dichromena. Mem. New York Bot. Gard. 37:89-100.
1	Native	Northern America	Southern Mexico	Mexico	Tabasco	Davidse, G. et al., eds. 1994. Flora mesoamericana.
1	Native	Northern America	Southern Mexico	Mexico	Veracruz de Ignacio de la Llave	Thomas, W. W. 1984. The systematics of Rhynchospora section Dichromena. Mem. New York Bot. Gard. 37:89-100.
1	Native	Northern America	Southern Mexico	Mexico	Yucatán	Davidse, G. et al., eds. 1994. Flora mesoamericana.
1	Native	Southern America	Brazil	Brazil		Steyermark, J. A. et al., eds. 1995-. Flora of the Venezuelan Guayana. Note: Missouri Botanical Garden & Timber Press
1	Native	Southern America	Caribbean	Dominican Republic		Thomas, W. W. 1984. The systematics of Rhynchospora section Dichromena. Mem. New York Bot. Gard. 37:89-100.
1	Native	Southern America	Caribbean	Jamaica		Thomas, W. W. 1984. The systematics of Rhynchospora section Dichromena. Mem. New York Bot. Gard. 37:89-100.
1	Native	Southern America	Caribbean	Trinidad and Tobago		Thomas, W. W. 1984. The systematics of Rhynchospora section Dichromena. Mem. New York Bot. Gard. 37:89-100.
1	Native	Southern America	Central America	Costa Rica		Davidse, G. et al., eds. 1994. Flora mesoamericana.
1	Native	Southern America	Central America	El Salvador		Thomas, W. W. 1984. The systematics of Rhynchospora section Dichromena. Mem. New York Bot. Gard. 37:89-100.
1	Native	Southern America	Central America	Guatemala		Davidse, G. et al., eds. 1994. Flora mesoamericana.
1	Native	Southern America	Central America	Honduras		Davidse, G. et al., eds. 1994. Flora mesoamericana.
1	Native	Southern America	Central America	Nicaragua		Davidse, G. et al., eds. 1994. Flora mesoamericana.
1	Native	Southern America	Central America	Panama		Davidse, G. et al., eds. 1994. Flora mesoamericana.
1	Native	Southern America	Northern South America	French Guiana		Funk, V. et al. 2007. Checklist of the plants of the Guiana Shield (Venezuela: Amazonas, Bolivar, Delta Amacuro; Guyana, Surinam, French Guiana). Contr. U.S. Natl. Herb. 55:1-584.
1	Native	Southern America	Northern South America	Guyana		Thomas, W. W. 1984. The systematics of Rhynchospora section Dichromena. Mem. New York Bot. Gard. 37:89-100.
1	Native	Southern America	Northern South America	Suriname		Thomas, W. W. 1984. The systematics of Rhynchospora section Dichromena. Mem. New York Bot. Gard. 37:89-100.
1	Native	Southern America	Northern South America	Venezuela		Thomas, W. W. 1984. The systematics of Rhynchospora section Dichromena. Mem. New York Bot. Gard. 37:89-100.
1	Native	Southern America	Southern South America	Argentina		Steyermark, J. A. et al., eds. 1995-. Flora of the Venezuelan Guayana. Note: Missouri Botanical Garden & Timber Press
1	Native	Southern America	Southern South America	Paraguay		Thomas, W. W. 1984. The systematics of Rhynchospora section Dichromena. Mem. New York Bot. Gard. 37:89-100.
1	Native	Southern America	Western South America	Bolivia		Steyermark, J. A. et al., eds. 1995-. Flora of the Venezuelan Guayana. Note: Missouri Botanical Garden & Timber Press
1	Native	Southern America	Western South America	Colombia		Thomas, W. W. 1984. The systematics of Rhynchospora section Dichromena. Mem. New York Bot. Gard. 37:89-100.
1	Native	Southern America	Western South America	Ecuador		Thomas, W. W. 1984. The systematics of Rhynchospora section Dichromena. Mem. New York Bot. Gard. 37:89-100.
1	Native	Southern America	Western South America	Peru		Thomas, W. W. 1984. The systematics of Rhynchospora section Dichromena. Mem. New York Bot. Gard. 37:89-100.

Native
Northern America

NORTHERN MEXICO: Mexico [San Luis Potosí, Sinaloa, Tamaulipas]
SOUTHERN MEXICO: Mexico [Chiapas, Guerrero, Jalisco, México, Oaxaca, Tabasco, Veracruz de Ignacio de la Llave, Yucatán]

Southern America

CARIBBEAN: Dominican Republic, Jamaica, Trinidad and Tobago
CENTRAL AMERICA: 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, Paraguay

Reference(s)

Davidse, G. et al., eds. 1994. Flora mesoamericana.
Funk, V. et al. 2007. Checklist of the plants of the Guiana Shield (Venezuela: Amazonas, Bolivar, Delta Amacuro; Guyana, Surinam, French Guiana). Contr. U.S. Natl. Herb. 55:1-584.
Steyermark, J. A. et al., eds. 1995-. Flora of the Venezuelan Guayana. Note: Missouri Botanical Garden & Timber Press
Thomas, W. W. 1984. The systematics of Rhynchospora section Dichromena. Mem. New York Bot. Gard. 37:89-100.

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://npgsweb.ars-grin.gov/gringlobal/taxon/taxonomydetail?id=402814. Accessed 2 November 2026.