"water hemlock." YourDictionary, n.d. Web. 10 December 2018. <https://www.yourdictionary.com/water-hemlock>.
water hemlock. (n.d.). Retrieved December 10th, 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.