"poison hemlock." YourDictionary, n.d. Web. 20 September 2018. <http://www.yourdictionary.com/poison-hemlock>.
poison hemlock. (n.d.). Retrieved September 20th, 2018, from http://www.yourdictionary.com/poison-hemlock
A highly poisonous plant (Conium maculatum) in the parsley family, native to Eurasia and Africa and widely naturalized in North America, having a stout stem, bipinnately compound leaves, and compound umbels of small white flowers.