Poison Ivy, Toxicodendron radicans or Rhus radicans, is the vine everyone needs to know so they can avoid! It is known world wide for its toxic oil, urushiol, that can give you a nasty rash whether you directly touch it or not, the oil can last on any surface up to five years.

Poison Ivy Sources:

Brill, Steve. Wild Edibles Plus. Computer Software. WinterRoot LLC. Version 1.5. 2012. Web. Feb. 15, 2014.

Felter, Harvey Wickes, M.D., and John Uri Lloyd, Phr. M., Ph. D. King’s American Dispensatory, Vol. 2. Cincinnati: The Ohio Valley Company, 1905. pg. 1666-1675

Foster, Steven and James A. Duke. The Peterson Field Guide Series; A Field Guide to Medicinal Plants and Herbs of Eastern and Central North America. 2nd. ed. Boston: Houghton Mifflin Company, 2000. Print. pg. 337-338

Hamel, Paul B. and Mary U. Chiltoskey. Cherokee Plants and Their Uses- A 400 Year History. North Carolina: Herald Publishing. 1975. Print. pg. 41

Herrick, James William. Iroquois Medical Botany. Ph.D. Thesis, New York: State University of New York, Albany 1977. Print. pg. 54, 111, 128, 172, 189, 191-192, 219

Moerman Daniel E., Native American Ethnobotany, Portland: Timber Press. 1998. Print. pg. 564

Newcomb, Lawrence. Newcomb’s Wildflower Guide. Boston: Little, Brown and Company, 1977. Print. pg. 330-331

Peterson, Lee Allen. The Peterson Field Guide Series; A Field Guide to Edible Wild Plants; Eastern and Central North America. Boston: Houghton Mifflin Company, 1977. Print. pg. 182-183

United States Department of Agriculture. Natural Resources Conservation Services. Web.