Berula is a cosmopolitan monotypic genus of flowering plant in the Apiaceae, containing the single species Berula erecta, which is known by the common name cutleaf water parsnip, or also simply water parsnip as are some other plants in Apiaceae such as Sium latifolium and Sium suave. It is easily confused with the highly toxic water hemlock. Water parsnip is a widespread aquatic plant found across Eurasia, Africa, North America, and elsewhere. It is a perennial...