"water hemlock." YourDictionary, n.d. Web. 23 October 2018. <https://www.yourdictionary.com/water-hemlock>.
water hemlock. (n.d.). Retrieved October 23rd, 2018, from https://www.yourdictionary.com/water-hemlock
Any of several poisonous perennial herbs of the genus Cicuta of the parsley family, especially C. maculata, of marshy areas in eastern and central North America, having compound umbels of small white flowers and bipinnately compound leaves.