Nassella trichotoma

Taxonavigation

Taxonavigation: Poales
Classification System: APG IV Superregnum: Eukaryota Cladus: Diaphoretickes Cladus: CAM Cladus: Archaeplastida Regnum: Plantae Cladus: Angiosperms Cladus: Monocots Cladus: Commelinids Ordo: Poales

Familia: Poaceae
Subfamilia: Pooideae
Tribus: Stipeae
Genus: Nassella
Species: Nassella trichotoma

Nassella trichotoma (Nees) Hack. & Arechav., Anales Mus. Nac. Montevideo 1: 336 (1896)

Homotypic
- Agrostis trichotoma (Nees) Trin. in Mém. Acad. Imp. Sci. Saint-Pétersbourg, Sér. 6, Sci. Math., Seconde Pt. Sci. Nat. 6(2, Bot.): 338 (1841)
- Caryochloa trichotoma (Nees) Kuntze in Revis. Gen. Pl. 2: 765 (1891)
- Oryzopsis trichotoma (Nees) Druce in Rep. Bot. Exch. Club Soc. Brit. Isles 2: 420 (1910 publ. 1911)
- Piptochaetium trichotomum (Nees) Griseb. in Abh. Königl. Ges. Wiss. Göttingen 24: 297 (1879)
- Stipa trichotoma Nees in C.F.P.von Martius, Fl. Bras. Enum. Pl. 2: 375 (1829)
- Urachne trichotoma (Nees) Trin. in Mém. Acad. Imp. Sci. Saint-Pétersbourg, Sér. 6, Sci. Math., Seconde Pt. Sci. Nat. 3(2): 124 (1834)
Heterotypic
- Piptatherum macratherum (Steud.) Nees ex B.D.Jacks. in Index Kew. 2: 543 (1894)
- Stipa macrathera (Steud.) Speg. in Anales Mus. Nac. Montevideo 4(2): 97 (1901), nom. illeg.
- Stipa tenella Godr. in Mém. Sect. Med. Acad. Sci. Montpellier 1: 453 (1853)
- Urachne macrathera Steud. in Syn. Pl. Glumac. 1: 123 (1854)

Native distribution areas:

Continental: Southern America
- Regionalː Southern South America
  - Argentina Northeast, Argentina Northwest, Argentina South, Uruguay
- Regionalː Brazil
  - Brazil South
- Introduced into:
  - Cape Provinces, France, Germany, Great Britain, Illinois, Italy, Kentucky, Madeira, New South Wales, New Zealand North, New Zealand South, North Carolina, South Australia, South Carolina, Tasmania, Victoria

Clayton, W.D., Harman, K.T. & Williamson, H. 2006. World Grass Species – Synonymy database. The Board of Trustees of the Royal Botanic Gardens, Kew. Available for download as an Access file from Synonymy database. Reference page.
Zuloaga, F.O., Morrone, O., Belgrano, M.J., Marticorena, C.F.S. & Marchesi, E. (eds.) 2008. Catálogo de las Plantas Vasculares del Cono Sur (Argentina, Sur de Brasil, Chile, Paraguay y Uruguay). Monographs in Systematic Botany from the Missouri Botanical Garden 107(1): i–xcvi, 1–983; 107(2): i–xx, 985–2286; 107(3): i–xxi, 2287–3348. ISBN 978-1-930723-70-2 ResearchGate (Vol. 2, Asteraceae); ResearchGate (Vol. 2, pp. 1581–1627, Bignoniaceae) . Reference page.

Govaerts, R. et al. 2026. Nassella trichotoma in Kew Science Plants of the World Online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published online. Accessed: 2026 January 24. Reference page.
International Plant Names Index. 2026. Nassella trichotoma. Published online. Accessed: January 24 2026. Reference page.
USDA, ARS, Germplasm Resources Information Network. Nassella trichotoma in the Germplasm Resources Information Network (GRIN), U.S. Department of Agriculture Agricultural Research Service. Accessed: 07-Oct-06. Reference page.