Hygrophila costata
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Asterids
Order:	Lamiales
Family:	Acanthaceae
Genus:	Hygrophila
Species:	H. costata
Binomial name
Hygrophila costata Sinning
Synonyms
Hygrophila atricheta Bridar. Hygrophila brasiliensis Spreng. Hygrophila conferta Nees Hygrophila guianensis Nees Hygrophila lacustris Morong & Britton Hygrophila longifolia (Mart.) Nees Hygrophila portoricensis Nees Hygrophila pubescens Nees Hygrophila rivularis Nees Ruellia brasiliensis Mart. ex Nees Ruellia costata Lindau Scorodoxylum costata (Nees) Hiern

Hygrophila costata, with the common names glush weed, gulf swampweed, and yerba de hicotea, is an aquatic plant.

The plant is endemic 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, Hygrophila 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.

• GRIN-Global Web v 1.9.7.1: taxonomy for Hygrophila costata — with distribution range info.
• PIER−Pacific Island Ecosystems at Risk: species info for Hygrophila costata
• Unicamp.br: Hygrophila costata photos
• (in Portuguese) Flora Brasiliensis: Hygrophila costata
• PIER−Pacific Island Ecosystems at Risk: species info for Hygrophila costata
• BFNS.org.au: Hygrophila costata
• NSW.gov.au: Hygrophila costata
• Weeds.org.au: Hygrophila costata