This is poison ivy plant....its everywhere, but you really need to check if its the poison one, like the one in the picture; The oil extracted form this plant can kill in 10 minutes by skin contact; part of the skin cell tissue is 40% fatness, therefore the oil absortion is very quickly; to extract the oil from the plant, you need a herb binder, to make a paste, and then wait for the oil to be form on the top; be carefull to not get infected yourself, use gloves, eyes protection and arms protection. On warfare they call this nervouse agent as Urushiol.