Serrated tussock

Nassella trichotoma
Nassella trichotoma
Scientific classification
Kingdom:	Plantae
(unranked):	Angiosperms
(unranked):	Monocots
(unranked):	Commelinids
Order:	Poales
Family:	Poaceae
Genus:	Nassella
Species:	N. trichotoma
Binomial name
Nassella trichotoma (Hack. ex Arech.)
Synonyms
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 (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 and is under strict control regimes by some of the regional councils.

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Wikipedia