Poison-ivy, poison-oak and poison sumac

The bulletin explains how to recognize and distinguish the poisonous vines and shrubs that produce irritating skin reactions, describing leaf, flower, and fruit features and the characteristic three-leaflet arrangement while noting wide variation in form and regional types. It summarizes where the plants commonly grow and provides practical precautions to avoid contact, basic remedies and first-aid guidance, and advice to seek medical care for severe cases while noting there is no single quick cure. The text concludes with methods for eradication, weighing mechanical removal against chemical herbicides and urging removal from yards, schools, and public grounds.