- Professor Roger Cousens
Foundation Chair of Crop Science, School of BioSciences, Faculty of Science, University of Melbourne
Planting the seeds of sovereignty
Two plants that were brought to Australia more than 100 years ago bred together. But instead of creating a new hybrid, one plant has taken over.
A weed by any other name
Researchers explain what makes a plant a weed in one circumstance and acceptable in another, and how introduced species are part of the solution.
Weeds girdle the globe: The marauding march of invasive plant species
Plant population specialist Professor Roger Cousens from the University of Melbourne on the spread of weeds and how they have dramatically redefined landscapes.