Poison ivy (Toxicodendron radicans) likes open disturbed areas but can be found in many habitats. Deer, cattle, goats, and other herbivores browse the nutritious foliage and birds eat the fruit. People fair poorly though as there are at least 10 million cases of allergic contact dermatitis in the United States each year from poison ivy, oak, and sumac
Urushiol and Sensitive People
Did You Know?
There are over 350 Abandoned Mineral land sites recorded in Bighorn Canyon, and even more are being discovered. These sites are the result of a mining boom, caused by the search for uranium in the production of nuclear weapons during the Cold War. Even with research the names of the companies responsible for the test sites have not been found. More...