Present distribution of Nassella trichotoma in Victoria
Serrated Tussock - Nassella trichotoma (Nees) Hack. Ex Arech. (Synonym; Stipa trichotoma)
Regionally Prohibited Weed for the Mallee, North Central, Goulbourn-Broken, North East, East Gippsland, Wimmera and Glenelg Hopkins Catchments.
Schedule 2- Regionally Controlled weed in the Corangamite, Port Phillip and Westernport and West Gippsland Catchments.
- Subhumid, subtropical and warm-temperate regions, occurring as a weed in native and introduced pastures and lightly timbered regions.
- It is not restricted to any soil type or rainfall pattern and is relatively resistant to drought.
- In South America it is a minor weed invading cleared woodland, ploughed fields and neglected areas.(Parsons and Cuthbertson, 1992).
- Serrated tussock invades dry coastal vegetation, lowland grassland & grassy woodlands, dry sclerophyll forests & woodlands and rock outcrop vegetation (Carr et al 1992).
PRESENT DISTRIBUTION OF SERRATED TUSSOCK IN VICTORIA:
Potential distribution of Nassella trichotoma in Victoria (see map below).
Potential distribution produced from CLIMATE® modeling and overlayed on suitable overlays with CMA boundaries. Overlays used.
Pasture irrigated and dryland
Broad vegetation types:
- Coastal scrubs and grasslands
- Dry foothill forests
- Grasslands; plains grassy woodlands; valley grassy forests; coastal grassy woodlands; montane grass
- Woodlands; riverine grassy woodlands; rainshadow woodlands
- Box ironbark forests.
Colours indicate possibility of Nassella trichotoma infesting these areas.
Red= Very Orange = High
Yellow = Medium Green = Likely
In the non-coloured areas the plant is unlikely to establish as
the climate, soil or landuse is not presently suitable.
POTENTIAL DISTRIBUTION OF SERRATED TUSSOCK IN VICTORIA: