Long-styled Water-starwort (Callitriche Cophocarpa) is a annual aquatic in the Plantaginaceae family with moderate care difficulty. It requires aquatic watering and full sun or partial shade light in USDA hardiness zones 3-9. This plant is safe for cats and dogs. It can be grown indoors.

Callitriche cophocarpa is an aquatic flowering plant species native to Europe, Northern Africa, and parts of Russia, commonly found in freshwater habitats.