20210427 09203400 1.0 TRUE Firethorn Native to parts of Asia and Europe, firethorn is a spiny, evergreen shrub. In Queensland, several firethorn species were popular garden ornamental plants in the past. At least 4 species have now naturalised in cooler, upland areas of South East Queensland, with Pyracantha angustifolia most widespread. Firethorn can form dense thickets that replace native vegetation. © 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.