Curly pondweed is a type of submerged aquatic plant that is commonly found in freshwater lakes and ponds. Synonyms for curly pondweed include Potamogeton crispus, curly-leaved pondweed, and crisp pondweed. It is a perennial plant that has long, thin leaves that are curly and wavy. The plant can often be found growing in slow-moving water, marshes, and along the edges of ponds and lakes. Some of the features that make curly pondweed unique include its ability to grow in a variety of soil conditions and its ability to adapt to changing water levels. Curly pondweed plays an important role in aquatic ecosystems, providing a habitat for fish and other wildlife.