The current project was initiated to determine the distribution and the economic and ecological impact of, Lippia in the Murray Darling system. The scope of this project was to:, * Assess past and current information on the distribution and impact of Lippia, *Report economical and environmental information to assess the impact of Lippia at, the property, sub-catchment, catchment and Murray Darling Basin level., *Report any known information on the distribution outside the Murray Darling Basin, *Quantify the current distribution and severity of Lippia, *Determine the rate it has spread over time, *Evaluate the potential future distribution of Lippia, *Report the economic impact of Lippia on farm activities, production and productivity, *Evaluate the impact of Lippia on the environment, *Prepare a brief research priority plan for the weed, *Provide a brief summary of current best bet management options.,