Nassella trichotoma

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Nassella trichotoma
Serrated tussock.jpg
Scientific classification edit
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Clade: Commelinids
Order: Poales
Family: Poaceae
Genus: Nassella
N. trichotoma
Binomial name
Nassella trichotoma
(Hack. ex Arech.)
  • Agrostis trichotoma (Nees) Trin.
  • Caryochloa trichotoma (Nees) Kuntze
  • Oryzopsis trichotoma (Nees) Druce
  • Piptatherum macratherum (Steud.) Nees ex B.D.Jacks.
  • Piptochaetium trichotomum (Nees) Griseb.
  • Stipa macrathera (Steud.) Speg. nom. illeg.
  • Stipa tenella Godr.
  • Stipa trichotoma Nees
  • Urachne macrathera Steud.
  • Urachne trichotoma (Nees) Trin.

Nassella trichotoma, the serrated tussock, is a type of bunchgrass plant, native in Argentina, Uruguay, Chile, and Peru.

It is on the list of Weeds of National Significance in Australia, reducing the productivity of pasture and creating a fire hazard. In many states, landowners are required by law to keep their land free of this plant.

In New Zealand is classed as an unwanted organism by Biosecurity New Zealand[2] and is under strict control regimes by some of the regional councils.

See also[edit]


  1. ^ The Plant List: A Working List of All Plant Species, retrieved 31 December 2016
  2. ^ "Nassella". MPI Biosecurity New Zealand. 24 March 2009. Retrieved 1 August 2013.

External links[edit]