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Taxon: Lolium perenne L.

Genus: Lolium
Family: Poaceae (alt. Gramineae) subfamily: Pooideae tribe: Poeae subtribe: Loliinae
Nomen number: 22494
Place of publication: Sp. pl. 1:83. 1753
Typification: View record from Linnaean Plant Name Typification Project of the Natural History Museum of London.
Name verified on: 08-May-1992 by ARS Systematic Botanists. Last updated: 20-Nov-2007
Species priority site is: Western Regional PI Station (W6).
Accessions: 960 in National Plant Germplasm System.
  • all available ) NPGS accessions. or .
  • all available ) NPGS accessions by country.
  • only available ) NPGS core subset accessions for the crop ‘GRASS-COOLSEASON’ ) or .
  • Check PlantSearch database of Botanic Gardens Conservation International for possible non-NPGS germplasm.

Common names:

  • English ryegrass   (Source: Dict Rehm ) – English
  • perennial ryegrass   (Source: World Econ Pl ) – English
  • meerjarige raaigras   (Source: Weeds SAfr 2001 ) – Afrikaans
  • gazun   (Source: Weeds Egypt . 1984) – Arabic
  • hei mai cao   (Source: F ChinaEng ) – Transcribed Chinese
  • ivraie vivace   (Source: Dict Rehm ) – French
  • ray-grass anglais   (Source: Dict Rehm ) – French
  • deutsches Weidelgras   (Source: Dict Rehm ) – German
  • englisches Raygras   (Source: Dict Rehm ) – German
  • loglio perenne   (Source: Mult Glossary Crops ) – Italian
  • hoso-mugi   (Source: F JapanOhwi ) – Japanese Rōmaji
  • homilpul   (Source: Kulturpflanze 34:106) – Transcribed Korean
  • azevém-vivaz   (Source: Dict Rehm ) – Portuguese
  • lólio-perenne   (Source: Dict Rehm ) – Portuguese
  • ballico perenne   (Source: Dict Rehm ) – Spanish
  • césped inglés   (Source: Dict Rehm ) – Spanish
  • raygras   (Source: Dict Rehm ) – Spanish
  • engelskt rajgräs   (Source: Vara kulturvaxt namn ) – Swedish

Economic importance:


Distributional range:

    Macaronesia: Portugal - Madeira Islands; Spain - Canary Islands
    Northern Africa: Algeria; Egypt; Libya; Morocco; Tunisia
    Arabian Peninsula: Saudi Arabia
    Western Asia: Afghanistan; Cyprus; Egypt - Sinai; Iran; Iraq; Israel; Jordan; Lebanon; Syria; Turkey
    Caucasus: Armenia; Azerbaijan; Georgia; Russian Federation - Ciscaucasia, Dagestan
    Indian Subcontinent: India [n.w.]; Pakistan
    Northern Europe: Denmark; Ireland; Norway; Sweden; United Kingdom
    Middle Europe: Austria; Belgium; Czech Republic; Germany; Hungary; Netherlands; Poland; Slovakia; Switzerland
    East Europe: Belarus; Moldova; Russian Federation - European part [s.w.]; Ukraine [incl. Krym]
    Southeastern Europe: Albania; Bulgaria; Croatia; Greece [incl. Crete]; Italy [incl. Sardinia, Sicily]; Romania; Serbia; Slovenia
    Southwestern Europe: France [incl. Corsica]; Portugal; Spain

      Naturalized: (links to other web resources are provided for some distributions)
    Macaronesia: Portugal - Azores
    Southern Africa: Lesotho; South Africa
    Western Indian Ocean: Mauritius; Reunion
    North Indian Ocean: British Indian Ocean Terr - Diego Garcia
    Australia: Australia
    New Zealand: New Zealand
    Subarctic America: Greenland
    United States
    North-Central Pacific: United States - Hawaii
    Southwestern Pacific: New Caledonia
    Caribbean: West Indies
    Mesoamerica: Costa Rica; Guatemala; Honduras; Panama
    Northern South America: French Guiana
    Brazil: Brazil
    Western South America: Bolivia; Ecuador; Peru
    Southern South America: Argentina; Chile; Uruguay

  • also cultivated




Check other web resources for Lolium perenne L.:


  • GRIN Images of germplasm accessions.
  • Florets: U.S. National Seed Herbarium image
  • Florets: Seed ID Workshop image, from Department of Horticulture and Crop Science, Ohio State University
  • Check for additional images
  • Google Images Images Note: Be advised that their identity may be inaccurate. Proper identification of a plant may require specialized taxonomic knowledge or comparison with properly documented herbarium material.

Abbreviations & symbols in GRIN Taxonomy

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Cite as:
USDA, ARS, National Genetic Resources Program.
Germplasm Resources Information Network - (GRIN) [Online Database].
National Germplasm Resources Laboratory, Beltsville, Maryland.
URL: (07 October 2015)

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