Data comparing the scale of plant introductions to Australia to native flora, and the size of the potential pool of future weed species. This data has been provided by Rod Randall, Department of Agriculture and Food, WA.
The data has been used by the Department of Environment and Energy to produce graph at Figure LAN3 in the Land theme of Australia State of the Environment 2016, available at
https://soe.environment.gov.au/theme/land/topic/2016/climate-change-induced-pressures#land-figure-LAN3