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Potential Distribution of Variegated thistle (Silybum marianum) in Victoria (Nox)

This map of the potential distribution of Variegated thistle has produced from CLIMATE® modelling, overlayed with:

Overlays used

Land uses:
Pasture irrigated and dryland
Horticulture
Broadacre cropping

Broad vegetation types:
Coastal scrubs and grassland; dry foothill forest; montane dry woodland; grassland; plains grassy woodland; valley grassy forest; coastal grassy woodland; herb-rich woodland; montane grassy woodland; riverine grassy woodland; riparian forest; rainshadow woodland; mallee woodland; heathy woodland; Wimmera/mallee woodland; lowland forest; box-ironbark forest; inland slopes and sedge-rich woodland.

Colours indicate possibility of
Silybum marianum infesting these areas.
Red = Very High
Orange = High
Light Green = Medium
Dark Green = Likely
In the non-coloured areas the plant is unlikely to establish as the climate, soil or landuse is not presently suitable.

Further information on mapping potential distribution of weeds
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