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Trisetum flavescens.jpg
Trisetum flavescens[1]
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Monocots
(unranked): Commelinids
Order: Poales
Family: Poaceae
Genus: Trisetum
Pers. 1805 not (Besser ex Schult. & Schult.f.) Trin. 1830
Type species
Trisetum flavescens
(L.) P. Beauv.[2][3]

see List of Trisetum species


Trisetum is a genus of plants in the grass family, widespread in temperate, subarctic, and alpine habitats in much of the world.[5][6][7][8][9] Oatgrass is a common name for plants in this genus.[10]



  1. ^ image circa 1805 from Icones et descriptiones Graminum austriacorum Author: Host, Nikolaus Thomas Publisher: Vindobonae : A. Schmidt, 1801-1809.
  2. ^ lectotype designated by Hitchcock, U.S.D.A. Bull. 772: 107-109 (1920);
  3. ^ Tropicos, Trisetum Pers.
  4. ^ Kew World Checklist of Selected Plant Families
  5. ^ Persoon, Christiaan Hendrik. 1805. Synopsis Plantarum 1: 97-98 in Latin
  6. ^ Grassbase - The World Online Grass Flora
  7. ^ Flora of China Vol. 22 Page 325 三毛草属 san mao cao shu Trisetum Persoon, Syn. Pl. 1: 97. 1805.
  8. ^ Altervista Flora Italiana genere Trisetum includes photos, drawings, and distribution maps for several species
  9. ^ Atlas of Living Australia
  10. ^ "Triraphis". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 15 December 2015. 
  11. ^ Grass Manual Treatment