20210427 09203600 1.0 TRUE Navua sedge Native to tropical Africa, Navua sedge is a vigorous, grass-like, perennial plant. In Australia, Navua sedge was first found growing on Cairns footpaths in 1979 and is now more broadly distributed in north Queensland. Navua sedge competes strongly with pasture and other plants for nutrients, light and moisture. © 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.