Applied Biochemists Navigate® A Selective HerbicideNavigate A Selective Herbicide targets nuisance aquatic plants, as listed on the label, allowing desirable, native aquatic species to remain for fish habitat, bottom cover and oxygen production. This systemic herbicide provides optimum control of target plants when used at first signs of growth, before plants reach the surface. Selectively controls: water milfoil, waterstargrass, bladderwort, water lily, coontail, watershield, water chestnut,