Water speedwell, also known as Veronica anagallis-aquatica, is a perennial plant found in wetlands and other aquatic habitats. Some commonly used synonyms for water speedwell include brooklime, creeping speedwell, water-purse and creeping Veronica. Brooklime is a popular synonym because of its ability to grow along the edges of streams and rivers. Creeping speedwell refers to the way the plant spreads through underground stems, while water-purse comes from the plant's use in traditional medicine for urinary disorders. Overall, water speedwell is a versatile and hardy plant that can provide a splash of color and vibrancy to any aquatic environment.