This map of the potential distribution of Spear Thistle has been produced from CLIMATEŽ modelling overlayed with: Overlays used. Land use: Pasture irrigated and dryland Horticulture Broad vegetation types: Coastal scrubs and grassland; dry foothill forest; moist foothill forest; montane dry woodland; montane moist woodland; sub-alpine woodland; grassland; plains grassy woodland; coastal grassy woodland; herb-rich woodland; sub-alpine grassy woodland; montane grassy woodland; riverine grassy woodland; riparian forest; rainshadow woodland; mallee; mallee-heath; boinka-raak; mallee woodland; heathy woodland; wimmera mallee/woodland; lowland forest; heath; swamp scrub; box-ironbark forest; inland slopes and sedge-rich woodland. Colours indicate possibility of Cirsium vulgare 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 |