One or more of the most common poisonous plant species are found throughout the United States (except Alaska and Hawaii). These plants can be found in forests, fields, wetlands and along streams, road sides, and even in urban environments, such as, parks and backyards.
Maps courtesy of U.S. Department of Agriculture
- Page last reviewed: June 1, 2018
- Page last updated: June 6, 2018
- Content source:
- National Institute for Occupational Safety and Health Education and Information Division