20210427 09203600 1.0 TRUE Parthenium Native to North America, parthenium is an annual herb with a deep taproot and an erect stem that becomes woody with age. It invades disturbed bare areas and pastures. Parthenium costs Australia's beef industry $16.5 million per year and cropping industries several million dollars per year. © State of Queensland (Department of Agriculture and Fisheries), 2023 weeds pests Map layer extracted from Biosecurity Queensland pest distribution survey displaying distribution of individual invasive weed species.