Swamp Buttercup, Ranunculus septentrionalis or hispidus, is a member of the Buttercup Family. This plant of spring is poisonous and can irritate your intestines, mucous membrane and cause skin blisters. The Iroquois used it to remove teeth.

Swamp Buttercup Sources:

Audubon Guides Box Set – Birds, Tree, Wildflowers & Mammals. Computer Software.Green Mountain Digital. Version: 2.3. Web. Jul 10, 2014.

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. 123

Herrick, James William. Iroquois Medical Botany. Ph.D. Thesis, New York: State University of New York, Albany 1977. Print. pg. 124

Moerman Daniel E., Native American Ethnobotany, Portland: Timber Press. 1998. Print. pg. 468

Newcomb, Lawrence. Newcomb’s Wildflower Guide. Boston: Little, Brown and Company, 1977. Print. pg. 242-243

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