Invasive species have racked up $390 billion bill in Australia
Earth.com, Other, 30/07/2021, chrissy sexton
Costs associated with the management of invasive plants were totaled at US$151.68 billion. The experts found that the costliest plants are ryegrass (Lolium rigidum), parthenium (Parthenium hysterophorus), and ragwort (Senecio jacobaea). […] Study co-author Dr Andrew Hoskins of CSIRO said it was important to understand the full breadth of the problem, to help prioritize future research and inform policy decisions.