Taxon: Glyceria fluitans (L.) R. Br.

Summary

Genus:

Glyceria

Family:

Poaceae (alt. Gramineae)

Subfamily:

Pooideae

Tribe:

Meliceae

Nomen number:

17676

Place of publication:

Prodr. 179. 1810

Protologue link:

https://www.biodiversitylibrary.org/page/2954335

Verified:

05/08/1992 ARS Systematic Botanists.

Accessions:

4 (2 active, 0 available) in National Plant Germplasm System. (Map it)

Other conspecific taxa

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

Basionym
Festuca fluitans L.

Autonym(s)
Glyceria fluitans (L.) R. Br. var. fluitans

Homotypic Synonym(s)
Panicularia fluitans (L.) Kuntze

Images (2 total. Click on image for more.)

Links

Florets – Seed ID Workshop image, from Department of Horticulture and Crop Science, Ohio State University

Conservation Status

Reference(s)

University of Georgia Center for Invasive Species and Ecosystem Health
Aldén, B., S. Ryman, & M. Hjertson. 2012. Svensk Kulturväxtdatabas, SKUD (Swedish Cultivated and Utility Plants Database; online resource)
APHIS. Agricultural Risk Management System United States Department of Agriculture.
Davis, P. H., ed. 1965-1988. Flora of Turkey and the east Aegean islands.
Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
Food and Agriculture Organization of the United Nations (FAO). 2010. Ecocrop (on-line resource).
Gleason, H. A. & A. Cronquist. 1991. Manual of vascular plants of northeastern United States and adjacent Canada, ed. 2
Groth, D. 2005. pers. comm. Note: re. Brazilian common names
Hnatiuk, R. J. 1990. Census of Australian vascular plants. Australian Flora and Fauna Series No. 11.
Instituto de Botánica Darwinion. 2008. Flora del Conosur. Catálogo de las plantas vasculares.
Jahandiez, E. & R. Maire. 1931-1941. Catalogue des plantes du Maroc.
Jørgensen, P. M. & S. León-Yánez, eds. 1999. Catalogue of the vascular plants of Ecuador. Monogr. Syst. Bot. Missouri Bot. Gard. 75
Komarov, V. L. et al., eds. 1934-1964. Flora SSSR.
Kunkel, G. 1984. Plants for human consumption
Quézel, P. & S. Santa. 1962-1963. Nouvelle flore de l'Algerie.
Randall, R. P. 2007. The introduced flora of Australia and its weed status.
Scoggan, H. J. 1978-1979. The flora of Canada, 4 vol. Note: as native
Sell, P. & G. Murrell. 1996-. Flora of Great Britain and Ireland.
Skvortsov, A. K., ed. 2006. Flora of the Lower Volga region 1:208.
Soreng, R. J. et al. 2003. Catalogue of New World grasses (Poaceae): IV. Subfamily Pooideae. Contr. U.S. Natl. Herb. 48:373.
Stace, C. 1995. New flora of the British Isles.
Tovar, Ó. 1993. Las gramíneas (Poaceae) del Perú. Ruizia 13:144. Note: introduced
Tutin, T. G. et al., eds. 1964-1980. Flora europaea.
Tzvelev, N. N. 1976. Zlaki SSSR
Ugarte, E. et al. 2011. Vascular alien flora, Chile. Check List 7:365-382.
Villaseñor, J. L. & F. J. Espinoza-Garcia. 2004. The alien flowering plants of Mexico. Diversity & Distrib. 10:113-123.
Weber, E. 2003. Invasive plant species of the world: a reference guide to environmental weeds
Whipple, I. G. et al. 2007. Molecular insights into the taxonomy of Glyceria (Poaceae: Meliceae) in North America. Amer. J. Bot. 94:551-557.

Common names

Language	Name	seq	Citation
English	floating manna grass	1	Scoggan, H. J. 1978-1979. The flora of Canada, 4 vol. Note: as native
English	floating sweet grass	1	Sell, P. & G. Murrell. 1996-. Flora of Great Britain and Ireland.
Portuguese (Brazil)	capim-maná	2	Groth, D. 2005. pers. comm. Note: re. Brazilian common names
Portuguese (Brazil)	glicéria-flutuante	2	Groth, D. 2005. pers. comm. Note: re. Brazilian common names
Portuguese (Brazil)	maná-flutuante	2	Groth, D. 2005. pers. comm. Note: re. Brazilian common names
Swedish	mannagräs	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	Note	Reference
1	Native	Africa	Northern Africa	Algeria		n.	Quézel, P. & S. Santa. 1962-1963. Nouvelle flore de l'Algerie.
1	Native	Africa	Northern Africa	Morocco			Jahandiez, E. & R. Maire. 1931-1941. Catalogue des plantes du Maroc.
1	Native	Africa	Northern Africa	Tunisia			Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
1	Native	Asia-Temperate	Caucasus	Armenia			Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
1	Native	Asia-Temperate	Caucasus	Azerbaijan			Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
1	Native	Asia-Temperate	Caucasus	Georgia			Tzvelev, N. N. 1976. Zlaki SSSR
1	Native	Asia-Temperate	Caucasus	Russian Federation-Ciscaucasia	Ciscaucasia		Tzvelev, N. N. 1976. Zlaki SSSR
1	Native	Asia-Temperate	Western Asia	Turkey		n.	Davis, P. H., ed. 1965-1988. Flora of Turkey and the east Aegean islands.
1	Native	Europe	Eastern Europe	Belarus			Tzvelev, N. N. 1976. Zlaki SSSR
1	Native	Europe	Eastern Europe	Estonia			Tzvelev, N. N. 1976. Zlaki SSSR
1	Native	Europe	Eastern Europe	Latvia			Tzvelev, N. N. 1976. Zlaki SSSR
1	Native	Europe	Eastern Europe	Lithuania			Tzvelev, N. N. 1976. Zlaki SSSR
1	Native	Europe	Eastern Europe	Moldova			Tzvelev, N. N. 1976. Zlaki SSSR
1	Native	Europe	Eastern Europe	Russian Federation	Saratov		Skvortsov, A. K., ed. 2006. Flora of the Lower Volga region 1:208.
1	Native	Europe	Eastern Europe	Russian Federation	Volgogradskaja oblast'		Skvortsov, A. K., ed. 2006. Flora of the Lower Volga region 1:208.
1	Native	Europe	Eastern Europe	Russian Federation-European part	European part		Tzvelev, N. N. 1976. Zlaki SSSR
1	Native	Europe	Eastern Europe	Ukraine			Tzvelev, N. N. 1976. Zlaki SSSR
1	Native	Europe	Middle Europe	Austria			Tutin, T. G. et al., eds. 1964-1980. Flora europaea.
1	Native	Europe	Middle Europe	Belgium			Tutin, T. G. et al., eds. 1964-1980. Flora europaea.
1	Native	Europe	Middle Europe	Czech Republic			Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
1	Native	Europe	Middle Europe	Germany			Tutin, T. G. et al., eds. 1964-1980. Flora europaea.
1	Native	Europe	Middle Europe	Hungary			Tutin, T. G. et al., eds. 1964-1980. Flora europaea.
1	Native	Europe	Middle Europe	Netherlands			Tutin, T. G. et al., eds. 1964-1980. Flora europaea.
1	Native	Europe	Middle Europe	Poland			Tutin, T. G. et al., eds. 1964-1980. Flora europaea.
1	Native	Europe	Middle Europe	Slovakia			Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
1	Native	Europe	Middle Europe	Switzerland			Tutin, T. G. et al., eds. 1964-1980. Flora europaea.
1	Native	Europe	Northern Europe	Denmark			Tutin, T. G. et al., eds. 1964-1980. Flora europaea.
1	Native	Europe	Northern Europe	Finland			Tutin, T. G. et al., eds. 1964-1980. Flora europaea.
1	Native	Europe	Northern Europe	Iceland			Tutin, T. G. et al., eds. 1964-1980. Flora europaea.
1	Native	Europe	Northern Europe	Ireland			Tutin, T. G. et al., eds. 1964-1980. Flora europaea.
1	Native	Europe	Northern Europe	Norway			Tutin, T. G. et al., eds. 1964-1980. Flora europaea.
1	Native	Europe	Northern Europe	Sweden			Tutin, T. G. et al., eds. 1964-1980. Flora europaea.
1	Native	Europe	Northern Europe	United Kingdom			Tutin, T. G. et al., eds. 1964-1980. Flora europaea.
1	Native	Europe	Southeastern Europe	Albania			Tutin, T. G. et al., eds. 1964-1980. Flora europaea.
1	Native	Europe	Southeastern Europe	Bulgaria			Tutin, T. G. et al., eds. 1964-1980. Flora europaea.
1	Native	Europe	Southeastern Europe	Croatia			Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
1	Native	Europe	Southeastern Europe	Greece			Tutin, T. G. et al., eds. 1964-1980. Flora europaea.
1	Native	Europe	Southeastern Europe	Italy		incl. Sardinia, Sicily	Tutin, T. G. et al., eds. 1964-1980. Flora europaea.
1	Native	Europe	Southeastern Europe	Romania			Tutin, T. G. et al., eds. 1964-1980. Flora europaea.
1	Native	Europe	Southeastern Europe	Serbia			Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
1	Native	Europe	Southeastern Europe	Slovenia			Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
1	Native	Europe	Southwestern Europe	France		incl. Corsica	Tutin, T. G. et al., eds. 1964-1980. Flora europaea.
1	Native	Europe	Southwestern Europe	Portugal			Tutin, T. G. et al., eds. 1964-1980. Flora europaea.
1	Native	Europe	Southwestern Europe	Spain			Tutin, T. G. et al., eds. 1964-1980. Flora europaea.
4	Naturalized	Australasia	Australia	Australia			Hnatiuk, R. J. 1990. Census of Australian vascular plants. Australian Flora and Fauna Series No. 11.
4	Naturalized	Northern America		Mexico			Villaseñor, J. L. & F. J. Espinoza-Garcia. 2004. The alien flowering plants of Mexico. Diversity & Distrib. 10:113-123.
4	Naturalized	Northern America		United States			Soreng, R. J. et al. 2003. Catalogue of New World grasses (Poaceae): IV. Subfamily Pooideae. Contr. U.S. Natl. Herb. 48:373.
4	Naturalized	Northern America	Eastern Canada	Canada	New Brunswick		Scoggan, H. J. 1978-1979. The flora of Canada, 4 vol. Note: as native
4	Naturalized	Northern America	Eastern Canada	Canada	Newfoundland and Labrador		Scoggan, H. J. 1978-1979. The flora of Canada, 4 vol. Note: as native
4	Naturalized	Northern America	Eastern Canada	Canada	Nova Scotia		Scoggan, H. J. 1978-1979. The flora of Canada, 4 vol. Note: as native
4	Naturalized	Northern America	Eastern Canada	Canada	Québec		Scoggan, H. J. 1978-1979. The flora of Canada, 4 vol. Note: as native
4	Naturalized	Southern America	Southern South America	Chile			Ugarte, E. et al. 2011. Vascular alien flora, Chile. Check List 7:365-382.
4	Naturalized	Southern America	Western South America	Ecuador			Jørgensen, P. M. & S. León-Yánez, eds. 1999. Catalogue of the vascular plants of Ecuador. Monogr. Syst. Bot. Missouri Bot. Gard. 75
4	Naturalized	Southern America	Western South America	Peru			Tovar, Ó. 1993. Las gramíneas (Poaceae) del Perú. Ruizia 13:144. Note: introduced

Native
Africa

NORTHERN AFRICA: Algeria (n.), Morocco, Tunisia

Asia-Temperate

WESTERN ASIA: Turkey (n.)
CAUCASUS: Russian Federation-Ciscaucasia [Ciscaucasia], Armenia, Azerbaijan, Georgia

Europe

NORTHERN EUROPE: Denmark, Finland, United Kingdom, Ireland, Iceland, Norway, Sweden
MIDDLE EUROPE: Austria, Belgium, Switzerland, Czech Republic, Germany, Hungary, Netherlands, Poland, Slovakia
EASTERN EUROPE: Russian Federation-European part [European part], Belarus, Estonia, Lithuania, Latvia, Moldova, Russian Federation [Saratov, Volgogradskaja oblast'], Ukraine
SOUTHEASTERN EUROPE: Albania, Bulgaria, Greece, Croatia, Italy (incl. Sardinia, Sicily), Romania, Serbia, Slovenia
SOUTHWESTERN EUROPE: Spain, France (incl. Corsica), Portugal

Naturalized
Australasia

AUSTRALIA: Australia

Northern America

EASTERN CANADA: Canada [Québec, Nova Scotia, New Brunswick, Newfoundland and Labrador]
REGION: Mexico, United States

Southern America

WESTERN SOUTH AMERICA: Ecuador, Peru
SOUTHERN SOUTH AMERICA: Chile

Reference(s)

Davis, P. H., ed. 1965-1988. Flora of Turkey and the east Aegean islands.
Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
Hnatiuk, R. J. 1990. Census of Australian vascular plants. Australian Flora and Fauna Series No. 11.
Jahandiez, E. & R. Maire. 1931-1941. Catalogue des plantes du Maroc.
Jørgensen, P. M. & S. León-Yánez, eds. 1999. Catalogue of the vascular plants of Ecuador. Monogr. Syst. Bot. Missouri Bot. Gard. 75
Quézel, P. & S. Santa. 1962-1963. Nouvelle flore de l'Algerie.
Scoggan, H. J. 1978-1979. The flora of Canada, 4 vol. Note: as native
Skvortsov, A. K., ed. 2006. Flora of the Lower Volga region 1:208.
Soreng, R. J. et al. 2003. Catalogue of New World grasses (Poaceae): IV. Subfamily Pooideae. Contr. U.S. Natl. Herb. 48:373.
Tovar, Ó. 1993. Las gramíneas (Poaceae) del Perú. Ruizia 13:144. Note: introduced
Tutin, T. G. et al., eds. 1964-1980. Flora europaea.
Tzvelev, N. N. 1976. Zlaki SSSR
Ugarte, E. et al. 2011. Vascular alien flora, Chile. Check List 7:365-382.
Villaseñor, J. L. & F. J. Espinoza-Garcia. 2004. The alien flowering plants of Mexico. Diversity & Distrib. 10:113-123.

Economic Uses

Usage	Type	Note	Reference
Human food	cereal		Weber, E. 2003. Invasive plant species of the world: a reference guide to environmental weeds
Human food	cereal		Komarov, V. L. et al., eds. 1934-1964. Flora SSSR.
Human food	cereal	seeds	Kunkel, G. 1984. Plants for human consumption
Weed			Weber, E. 2003. Invasive plant species of the world: a reference guide to environmental weeds

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=17676. Accessed 12 May 2026.