The yellow water flag is a type of aquatic plant that is known to grow in wetlands. It is characterized by its tall, yellow flowers, and its long, narrow leaves that resemble blades of grass. This plant is native to many parts of the world and is often used for its decorative purposes in gardens and ponds. However, if you are looking for other synonyms for the yellow water flag, you may also call it by other names such as the yellow iris, the yellow flag iris, or the Iris pseudacorus. Regardless of what you choose to call it, this plant adds a beautiful touch of color to any water feature.