Taxon: Nassella trichotoma (Nees) Hack. ex Arechav.

Genus: Nassella
Family: Poaceae (alt.Gramineae)
  Subfamily: Pooideae
      Tribe: Stipeae
Nomen number: 316386
Place of publication: Anales Mus. Nac. Montevideo 1:336. 1895
Comment: authorship and valid publication verified from original literature
Name Verified on: 15-Apr-2004 by ARS Systematic Botanists. Last Changed: 15-Apr-2004
Species priority site is:
Accessions: 3 in National Plant Germplasm System

Common names:

Economic Importance:

  • Weed: potential seed contaminant (fide Noxweed Aust; Invasive Pl Spec; Weeds SAfr 2001)

Distributional Range:


  • Southern America

    • Brazil: Brazil - Rio Grande do Sul
    • Southern South America: Argentina - Buenos Aires, - Cordoba, - Entre Rios, - Federal District, - La Pampa, - Mendoza, - San Luis, - Santa Fe; Uruguay

  • Naturalized:

  • Africa

    • Macaronesia: Portugal - Madeira Islands
    • Southern Africa: South Africa
  • Australasia

    • Australia: Australia
    • New Zealand: New Zealand
  • Europe

    • : Europe; United States
  • Northern America

    • : Europe; United States
  • Pacific

    • North-Central Pacific: United States - Hawaii


  • Barkworth, M. E. 1990. Nassella (Gramineae, Stipeae): revised interpretation and nomenclatural changes (Taxon) 39:612.
  • Germishuizen, G. & N. L. Meyer, eds. Plants of southern Africa: an annotated checklist. Strelitzia 14. 2003 (Pl SAfr ed2)
  • Groth, D. 2005. pers. comm. (pers. comm.)
  • Henderson, L. Alien weeds and invasive plants: a complete guide to declared weeds and invaders in South Africa. Plant Protection Research Institute, Handbook 12. 2001 (Weeds SAfr 2001)
  • Henderson, M. et al. Declared weeds and alien invader plants in South Africa. Botanical Research Institute, bulletin 413. 1987 (Weeds SAfr)
  • Hnatiuk, R. J. Census of Australian vascular plants. Australian Flora and Fauna Series No. 11. 1990 (L Aust)
  • Holm, L. et al. A geographical atlas of world weeds. 1979 (Atlas WWeed)
  • Jacobs, S. W. L. & J. Everett 1995. Austrostipa, a new genus, and new names for Australasian species formerly included in Stipa (Gramineae) (Telopea) 6:593.
  • Parsons, W. T. & E. G. Cuthbertson Noxious weeds of Australia. 1992 (Noxweed Aust)
  • Press, J. R. & M. J. Short, eds. Flora of Madeira. 1994 (F Madeira)
  • Seed Regulatory and Testing Division, Agricultural Marketing Service, U.S.D.A. State noxious-weed seed requirements recognized in the administration of the Federal Seed Act (updated annually). (State Noxweed Seed)
  • Weber, E. Invasive plant species of the world: a reference guide to environmental weeds. 2003 (Invasive Pl Spec)
  • Zuloaga, F. O. et al. Catalogo de la familia Poaceae en la Republica Argentina. Monogr. Syst. Bot. Missouri Bot. Gard. 47. 1994 (L Grass Argent)


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