👉 Waterweed is a type of aquatic plant that grows in freshwater environments. It typically has shallow roots, which allow it to grow quickly and thrive in small, rocky or sandy habitats. Waterweed can be found in many different types, including pond weeds, wetlands, and saltwater plants. They are known for their ability to absorb nutrients from the water they live in and also for their ability to filter out pollutants from the water they come into contact with.