Taxon: Lolium rigidum Gaudin

See also subordinate taxa:

• Lolium rigidum subsp. lepturoides (5 accessions)
• Lolium rigidum subsp. rigidum (no accessions)

Common names:

• annual ryegrass   (Source: Aust Pl Common Names ) – English
  
• Mediterranean ryegrass   (Source: BSBI ) – English
  
• rigid ryegrass   (Source: Aust Pl Common Names ) – English
  
• stiff darnel   (Source: Dict Rehm ) – English
  
• Wimmera ryegrass   (Source: World Econ Pl ) – English
  
• ying zhi hei mai cao   (Source: ChinaEng) – Transcribed Chinese
  
• ivraie raide   (Source: Dict Rehm ) – French
  
• steifer Lolch   (Source: Dict Rehm ) – German
  
• raygrás rígido   (Source: Dict Rehm ) – Spanish
  

More:

see MMPND for additional names in foreign scripts

Economic importance:

• Vertebrate poisons: mammals   (fide Kellerman et al.)
  
• Weed: potential seed contaminant   (fide Weed CIBA)
  

More:

View toxicology references for Lolium rigidum from FDA Poisonous Plant Database

Distributional range:

• AFRICA
  Macaronesia: Portugal - Madeira Islands
  Northern Africa: Algeria; Egypt; Libya; Morocco; Tunisia
• ASIA-TEMPERATE
  Arabian Peninsula: Kuwait
  Western Asia: Afghanistan; Egypt - Sinai; Iran; Iraq; Israel; Jordan; Lebanon; Syria; Turkey
  Caucasus: Armenia; Azerbaijan; Georgia; Russian Federation - Ciscaucasia, Dagestan
  Middle Asia: Turkmenistan; Uzbekistan
• ASIA-TROPICAL
  Indian Subcontinent: India - Jammu and Kashmir; Pakistan
• EUROPE
  Middle Europe: Switzerland
  East Europe: Ukraine [incl. Krym]
  Southeastern Europe: Albania; Bulgaria; Croatia; Greece [incl. Crete]; Italy [incl. Sardinia, Sicily]; Serbia; Slovenia
  Southwestern Europe: France [incl. Corsica]; Portugal; Spain

• naturalized elsewhere

References:

• Ali, S. I. & S. M. H. Jafri, eds. 1976–. Flora of Libya.
• Bor, N. L. 1960. The grasses of Burma, Ceylon, India, and Pakistan.
• Botanical Society of the British Isles. BSBI taxon database (on-line resource).
• Boulos, L. 1995. Flora of Egypt checklist.
• CIBA-GEIGY, Basel, Switzerland. Documenta CIBA-GEIGY (Grass weeds 1. 1980, 2. 1981; Monocot weeds 3. 1982; Dicot weeds 1. 1988)
• Davis, P. H., ed. 1965–1988. Flora of Turkey and the east Aegean islands.
• Englert, J. M. et al. 1999–. USDA-NRCS Improved conservation plant materials released by NRCS and cooperators.
• 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).
• Integrated Botanical Information System (IBIS). Australian plant common name database (on-line resource).
• Kellerman, T. S. et al. 1988. Plant poisonings and mycotoxicoses of livestock in Southern Africa.
• Nasir, E. & S. I. Ali, eds. 1970–. Flora of [West] Pakistan.
• 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.
• Rehm, S. 1994. Multilingual dictionary of agronomic plants.
• Terrell, E. E. 1968. A taxonomic revision of the genus Lolium. Techn. Bull. U.S.D.A. 1392:15.
• Townsend, C. C. & E. Guest. 1966–. Flora of Iraq.
• Tutin, T. G. et al., eds. 1964–1980. Flora europaea.
• Tzvelev, N. N. 1976. Zlaki SSSR.
• Wu Zheng-yi & P. H. Raven et al., eds. 1994–. Flora of China (English edition).
• Zohary, M. & N. Feinbrun-Dothan. 1966–. Flora palaestina.

More:

Search AGRICOLA article citation database for citations referencing Lolium rigidum.

Search NCBI's Entrez search engine for PubMed citations referencing Lolium rigidum.

Search Biodiversity Heritage Library for historical publications referencing Lolium rigidum.

Synonyms:

• Lolium loliaceum (Bory & Chaub.) Hand.-Mazz. [= Lolium rigidum subsp. lepturoides]
  (previously associated with 8 accessions)
• Lolium rigidum var. rottbollioides Heldr. ex Boiss. [= Lolium rigidum subsp. lepturoides]
  
• Lolium strictum C. Presl [= Lolium rigidum subsp. rigidum]
  (previously associated with 1 accession)
• Rottboellia loliacea Bory & Chaub. [= Lolium rigidum subsp. lepturoides]
  

Check other web resources for Lolium rigidum Gaudin:

• Flora Europaea: Database of European Plants (ESFEDS)
• Flora of China: Online version from Harvard University
• CNWG: Catalogue of New World Grasses Searchable Database
• World Grass Species-Descriptions: Morphological species description from Royal Botanic Gardens, Kew
• ePIC: Electronic Plant Information Centre of Royal Botanic Gardens, Kew
• AGRICOLA: Article Citation Database or NAL Catalog of USDA's National Agricultural Library
• Entrez: NCBI's search engine for PubMed citations, GenBank sequences, etc.

Images:

• Caryopses: U.S. National Seed Herbarium image
• Disseminule drawings: U.S. National Seed Herbarium drawing
• Embryo drawing: U.S. National Seed Herbarium drawing
• Florets: U.S. National Seed Herbarium image
• Florets: U.S. National Seed Herbarium image

More:

• Check PlantSystematics.org for additional 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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