Hygrophila costata, with the common names glush weed, gulf swampweed, and yerba de hicotea, is an aquatic plant The plant is endemic to , is native to Neotropic ecoregions. It is native to Florida, the Caribbean, southern Mexico, Central America, and South America. This plant is cited in Flora Brasiliensis by Carl Friedrich Philipp von Martius, and is found in the Cerrado ecoregion of Brazil. In addition, H. costata is an invasive and dominating species in several parts of the world included Australia because this plant is usually like a freshwater aquarium plant.