About Callitriche palustris L.
Callitriche palustris L., commonly known as vernal water-starwort, narrow-fruited water-starwort, or spiny water starwort, is a species of aquatic plant. It holds the status of the type species for the genus Callitriche. Its native range covers temperate and subtropical regions of North America and Eurasia, and also includes the islands of Sumatra and Borneo.