Nassella trichotoma

Family Poaceae

Species Profile

Species classification Invasive [Weeds of National Significance; NSW's Noxious Weeds]
Common namesNassella Tussock (NZ), Serrated Tussock, Yass River Tussock, Yass Tussock
SynonymsStipa trichotoma Nees
Growth formGraminoid
Seed dispersal morphologyAdhesive (burrs, sticky, awns, hairs etc)
Maximum height (m)0.7
Capable of vegetative reproductionNo
Native rangeSouth America
Exotic range (Australia)ACT, NSW, TAS, VIC
Exotic range (other)Europe, North America, Oceania, southern Africa
Habitat types (exotic)Coastal vegetation/sand dunes, Grasslands, Pastures, Roadsides, Scrublands/shrublands, Wastelands, Woodlands
Soil type (exotic)Fertile, Infertile - low fertility, Most soil types, Well drained
Decade of introduction1930

National Climate Change Impact

Invasive Class 3

The area of suitable habitat and the habitat suitability of observations, for this species, are projected to decrease or remain the same under RCP 8.5 2065 compared to current climate suitability.

Maps of Habitat Suitability & Recorded Occurrences

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Current suitable habitat

2035 suitable habitat
(RCP 8.5)

2065 suitable habitat
(RCP 8.5)

Recorded occurrences

Recorded occurrences


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