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.